{"title":"Warm Core L\/S TEE","description":"","products":[{"product_id":"rc_it9fdjmptayw_ke1m","title":"Warm Core L\/S TEE #GRAY｜Gradation","description":"\u003cp\u003eGradient Warm Core Long-Sleeve T-Shirt\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e■Product Details.\u003c\/strong\u003e\u003cbr\u003eWarm CoreS T-Shirt \u003cbr\u003e— Looks ordinary, but has a warm heart — \u003cbr\u003e\u003cbr\u003eDuring the transitional seasons, when I was hiking or running in the mountains, I’ve had trouble with my stomach getting cold.\u003cbr\u003eI know that tucking my top into my pants keeps me warm. But that look just doesn’t suit my style.\u003cbr\u003eOn the other hand, if I layer on another undershirt, the upper body and underarms end up unnecessarily double-layered, and sometimes it gets too hot.\u003cbr\u003e――Wondering if there was a way to address that slight discomfort, I came up with the idea of making only the lower part of the abdomen a double-layered structure.\u003cbr\u003eWhen I shared that idea with the designer behind Axie's \"Ryo\" line, the result was the \"Haramaki T-shirt.\"\u003cbr\u003e\u003cbr\u003eBuilding on that concept, Gradation has now brought the Warm Core S TEE to life as a long-sleeve T-shirt.\u003cbr\u003e\u003cbr\u003eFeatures a double-layered design on the inside (which I’ve dubbed the “belly-warmer structure”). By making only the lower part of the abdomen double-layered, you can tuck the inner layer into your pants to keep your core warm when it’s cold, while the outer layer remains outside your pants, so it looks just like a regular long-sleeve T-shirt. \u003cbr\u003e\u003cbr\u003eIn addition, the wide silhouette at the upper arms helps reduce heat buildup under the arms, creating a sensation similar to the warmth of a traditional Japanese belly wrap—that’s Warm Core. \u003cbr\u003e\u003cbr\u003eA warmth that lies unseen gently wraps around your core. This is a new base layer born from the fusion of \"Ryo\"’s wisdom and Gradation’s philosophy—a garment that **“belongs nowhere yet fits in anywhere.”**\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e《Background》\u003c\/strong\u003e\u003cbr\u003eDuring the transitional seasons, when I was hiking or running in the mountains, I’ve had trouble with my stomach getting cold.\u003cbr\u003eI know that tucking my top into my pants keeps me warm. But that look just doesn’t suit my style.\u003cbr\u003eOn the other hand, if I layer on another undershirt, the upper body and underarms end up unnecessarily double-layered, and sometimes it gets too hot.\u003cbr\u003e――Wondering if there was a way to address that slight discomfort, I came up with the idea of making only the lower part of the abdomen a double-layered structure.\u003cbr\u003eWhen I shared that idea with the designer behind Axie's \"Ryo\" line, the result was the \"Haramaki T-shirt.\"\u003cbr\u003eEventually, that product reached the end of its lifecycle, but the comfort provided by its design remains vivid in my memory to this day.\u003cbr\u003e\"I want to bring this idea to life again.\"\u003cbr\u003eWith that in mind, we created the Warm Core series as a new addition to the Gradation line.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e\"The Meaning Behind the Name\"\u003c\/strong\u003e\u003cbr\u003eWarm Core—literally, “warm core.”\u003cbr\u003eWhile it refers to a design that warms the core, it also carries a slightly stronger emphasis on the idea that \"true warmth resides in the unseen parts.\"\u003cbr\u003eOn the surface, it looks like a perfectly ordinary long-sleeve T-shirt.\u003cbr\u003eBut inside, there is a mechanism that operates quietly.\u003cbr\u003eIt’s a mindset that values “personal comfort” at its core, rather than flashiness or making a statement.\u003cbr\u003eChoose a balance that feels right to you, not just to fit into a certain category.\u003cbr\u003eWarm Core was born at the intersection of freedom and functionality—a hallmark of Gradation.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e■Materials\u003c\/strong\u003e\u003cbr\u003e100% polyester\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e■Size\/Actual Dimensions (cm)\u003c\/strong\u003e\u003cbr\u003e[ XS ]  Chest: 45, Shoulder width: 50, Sleeve length: 50, Back length: 65\u003cbr\u003e[ S ] Chest: 50, Shoulder width: 53, Sleeve length: 54.5, Back length: 67\u003cbr\u003e[ M ] Chest: 52.5, Shoulder width: 54, Sleeve length: 57, Back length: 71\u003cbr\u003e[ L ] Chest: 56, Shoulder width: 56.5, Sleeve length: 59, Back length: 72\u003cbr\u003e[ XL ]  Chest: 58.5, Shoulder width: 58, Sleeve length: 63, Back length: 74\u003cbr\u003e*The front length is approximately 5 cm shorter than the back length.\u003cbr\u003e*Please note that these measurements were taken manually with the item laid flat, so please excuse any slight discrepancies.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e■Model\u003c\/strong\u003e\u003cbr\u003e[Men\/178cm\/66kg]: Wearing Black\/Size L\u003cbr\u003e[Men\/178cm\/66kg]: Wearing Gray\/XL\u003cbr\u003e[Men\/173cm\/64kg]: Wearing Black\/Size L\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e■Handling Instructions\u003c\/strong\u003e\u003cbr\u003eIf you wash this item at home, it may lose its shape slightly or shrink. Dark colors may bleed, so please avoid washing them with other items.\u003cbr\u003e\u003c\/p\u003e\n\u003cul style=\"list-style: none;margin:0;padding:0;\"\u003e\n  \u003cli style=\"display:inline;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0791\/4917\/0973\/files\/58df05e036ec39e6feb4f9fb09242ca0_122388d9-add7-4c1a-bb50-0b570be0c8a4.jpg?v=1761539974\u0026amp;width=45\" alt=\"\" style=\"max-width: 45px;\"\u003e\u003c\/li\u003e\n  \u003cli style=\"display:inline;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0791\/4917\/0973\/files\/icon_3020.png?v=1745640547\u0026amp;width=45\" style=\"max-width: 45px;\"\u003e\u003c\/li\u003e\n  \u003cli style=\"display:inline;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0791\/4917\/0973\/files\/icon_3031.png?v=1745640546\u0026amp;width=45\" style=\"max-width: 45px;\"\u003e\u003c\/li\u003e\n  \u003cli style=\"display:inline;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0791\/4917\/0973\/files\/icon_3017.png?v=1745640547\u0026amp;width=45\" style=\"max-width: 45px;\"\u003e\u003c\/li\u003e\n  \u003cli style=\"display:inline;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0791\/4917\/0973\/files\/icon_3022.png?v=1745640546\u0026amp;width=45\" style=\"max-width: 45px;\"\u003e\u003c\/li\u003e\n  \u003cli style=\"display:inline;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0791\/4917\/0973\/files\/icon_3038.png?v=1745640547\u0026amp;width=45\" style=\"max-width: 45px;\"\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e*Please note that the actual product may differ from the image in terms of color, shade, intensity, and pattern placement.\u003c\/p\u003e","brand":"Gradation","offers":[{"title":"GRAY \/ XS","offer_id":50541676626205,"sku":"rc_IT9FDJMPTAYW_KE1m","price":14300.0,"currency_code":"JPY","in_stock":true},{"title":"GRAY \/ S","offer_id":50541676658973,"sku":"rc_ITF0R0341C5Q_AkRK","price":14300.0,"currency_code":"JPY","in_stock":true},{"title":"GRAY \/ M","offer_id":50541676691741,"sku":"rc_ITVMR88C11LI_rmKm","price":14300.0,"currency_code":"JPY","in_stock":true},{"title":"GRAY \/ L","offer_id":50541676724509,"sku":"rc_IT8X191JINFO_qdba","price":14300.0,"currency_code":"JPY","in_stock":false},{"title":"GRAY \/ XL","offer_id":50541676757277,"sku":"rc_ITHQEUGG162B_FxtK","price":14300.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0791\/4917\/0973\/files\/a3bn9dD3h1SSBH6xzEVPSeCwU6h1ZhNzYB3CC3Hs.jpg?v=1761540832"},{"product_id":"rc_itqszd4s2pjs_86ih","title":"Warm Core L\/S TEE #BLACK｜Gradation","description":"\u003cp\u003eGradient Warm Core Long-Sleeve T-Shirt\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e■Product Details.\u003c\/strong\u003e\u003cbr\u003eWarm CoreS T-Shirt \u003cbr\u003e— Looks ordinary, but has a warm heart — \u003cbr\u003e\u003cbr\u003eDuring the transitional seasons, when I was hiking or running in the mountains, I’ve had trouble with my stomach getting cold.\u003cbr\u003eI know that tucking my top into my pants keeps me warm. But that look just doesn’t suit my style.\u003cbr\u003eOn the other hand, if I layer on another undershirt, the upper body and underarms end up unnecessarily double-layered, and sometimes it gets too hot.\u003cbr\u003e――Wondering if there was a way to address that slight discomfort, I came up with the idea of making only the lower part of the abdomen a double-layered structure.\u003cbr\u003eWhen I shared that idea with the designer behind Axie's \"Ryo\" line, the result was the \"Haramaki T-shirt.\"\u003cbr\u003e\u003cbr\u003eBuilding on that concept, Gradation has now brought the Warm Core S TEE to life as a long-sleeve T-shirt.\u003cbr\u003e\u003cbr\u003eFeatures a double-layered design on the inside (which I’ve dubbed the “belly-warmer structure”). By making only the lower part of the abdomen double-layered, you can tuck the inner layer into your pants to keep your core warm when it’s cold, while the outer layer remains outside your pants, so it looks just like a regular long-sleeve T-shirt. \u003cbr\u003e\u003cbr\u003eIn addition, the wide silhouette at the upper arms helps reduce heat buildup under the arms, creating a sensation similar to the warmth of a traditional Japanese belly wrap—that’s Warm Core. \u003cbr\u003e\u003cbr\u003eA warmth that lies unseen gently wraps around your core. This is a new base layer born from the fusion of \"Ryo\"’s wisdom and Gradation’s philosophy—a garment that **“belongs nowhere yet fits in anywhere.”**\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e《Background》\u003c\/strong\u003e\u003cbr\u003eDuring the transitional seasons, when I was hiking or running in the mountains, I’ve had trouble with my stomach getting cold.\u003cbr\u003eI know that tucking my top into my pants keeps me warm. But that look just doesn’t suit my style.\u003cbr\u003eOn the other hand, if I layer on another undershirt, the upper body and underarms end up unnecessarily double-layered, and sometimes it gets too hot.\u003cbr\u003e――Wondering if there was a way to address that slight discomfort, I came up with the idea of making only the lower part of the abdomen a double-layered structure.\u003cbr\u003eWhen I shared that idea with the designer behind Axie's \"Ryo\" line, the result was the \"Haramaki T-shirt.\"\u003cbr\u003eEventually, that product reached the end of its lifecycle, but the comfort provided by its design remains vivid in my memory to this day.\u003cbr\u003e\"I want to bring this idea to life again.\"\u003cbr\u003eWith that in mind, we created the Warm Core series as a new addition to the Gradation line.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e\"The Meaning Behind the Name\"\u003c\/strong\u003e\u003cbr\u003eWarm Core—literally, “warm core.”\u003cbr\u003eWhile it refers to a design that warms the core, it also carries a slightly stronger emphasis on the idea that \"true warmth resides in the unseen parts.\"\u003cbr\u003eOn the surface, it looks like a perfectly ordinary long-sleeve T-shirt.\u003cbr\u003eBut inside, there is a mechanism that operates quietly.\u003cbr\u003eIt’s a mindset that values “personal comfort” at its core, rather than flashiness or making a statement.\u003cbr\u003eChoose a balance that feels right to you, not just to fit into a certain category.\u003cbr\u003eWarm Core was born at the intersection of freedom and functionality—a hallmark of Gradation.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e■Materials\u003c\/strong\u003e\u003cbr\u003e100% polyester\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e■Size\/Actual Dimensions (cm)\u003c\/strong\u003e\u003cbr\u003e[ XS ]  Chest: 45, Shoulder width: 50, Sleeve length: 50, Back length: 65\u003cbr\u003e[ S ] Chest: 50, Shoulder width: 53, Sleeve length: 54.5, Back length: 67\u003cbr\u003e[ M ] Chest: 52.5, Shoulder width: 54, Sleeve length: 57, Back length: 71\u003cbr\u003e[ L ] Chest: 56, Shoulder width: 56.5, Sleeve length: 59, Back length: 72\u003cbr\u003e[ XL ]  Chest: 58.5, Shoulder width: 58, Sleeve length: 63, Back length: 74\u003cbr\u003e*The front length is approximately 5 cm shorter than the back length.\u003cbr\u003e*Please note that these measurements were taken manually with the item laid flat, so please excuse any slight discrepancies.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e■Model\u003c\/strong\u003e\u003cbr\u003e[Men\/178cm\/66kg]: Wearing Black\/Size L\u003cbr\u003e[Men\/178cm\/66kg]: Wearing Gray\/XL\u003cbr\u003e[Men\/173cm\/64kg]: Wearing Black\/Size L\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e■Handling Instructions\u003c\/strong\u003e\u003cbr\u003eIf you wash this item at home, it may lose its shape slightly or shrink. Dark colors may bleed, so please avoid washing them with other items.\u003cbr\u003e\u003c\/p\u003e\n\u003cul style=\"list-style: none;margin:0;padding:0;\"\u003e\n  \u003cli style=\"display:inline;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0791\/4917\/0973\/files\/58df05e036ec39e6feb4f9fb09242ca0_122388d9-add7-4c1a-bb50-0b570be0c8a4.jpg?v=1761539974\u0026amp;width=45\" alt=\"\" style=\"max-width: 45px;\"\u003e\u003c\/li\u003e\n  \u003cli style=\"display:inline;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0791\/4917\/0973\/files\/icon_3020.png?v=1745640547\u0026amp;width=45\" style=\"max-width: 45px;\"\u003e\u003c\/li\u003e\n  \u003cli style=\"display:inline;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0791\/4917\/0973\/files\/icon_3031.png?v=1745640546\u0026amp;width=45\" style=\"max-width: 45px;\"\u003e\u003c\/li\u003e\n  \u003cli style=\"display:inline;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0791\/4917\/0973\/files\/icon_3017.png?v=1745640547\u0026amp;width=45\" style=\"max-width: 45px;\"\u003e\u003c\/li\u003e\n  \u003cli style=\"display:inline;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0791\/4917\/0973\/files\/icon_3022.png?v=1745640546\u0026amp;width=45\" style=\"max-width: 45px;\"\u003e\u003c\/li\u003e\n  \u003cli style=\"display:inline;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0791\/4917\/0973\/files\/icon_3038.png?v=1745640547\u0026amp;width=45\" style=\"max-width: 45px;\"\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e*Please note that the actual product may differ from the image in terms of color, shade, intensity, and pattern placement.\u003c\/p\u003e","brand":"Gradation","offers":[{"title":"BLACK \/ XS","offer_id":50541676790045,"sku":"rc_ITQSZD4S2PJS_86ih","price":14300.0,"currency_code":"JPY","in_stock":true},{"title":"BLACK \/ S","offer_id":50541676822813,"sku":"rc_ITKRIWMLFQJ4_qAWJ","price":14300.0,"currency_code":"JPY","in_stock":true},{"title":"BLACK \/ M","offer_id":50541676855581,"sku":"rc_ITF1T7ZQ631K_YFbt","price":14300.0,"currency_code":"JPY","in_stock":true},{"title":"BLACK \/ L","offer_id":50541676888349,"sku":"rc_ITCF92GM5BMW_z0Ce","price":14300.0,"currency_code":"JPY","in_stock":false},{"title":"BLACK \/ XL","offer_id":50541676921117,"sku":"rc_ITUFDNV0RMG0_OG3M","price":14300.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0791\/4917\/0973\/files\/0zZd2EnKZRnvqr3ujFKn4CVc0e9Jjde5bkUCvXeq.jpg?v=1761540836"},{"product_id":"rc_itmkxtilgda0_ifyu","title":"Warm Core L\/S TEE #YELLOW｜Gradation","description":"\u003cp\u003eGradient Warm Core Long-Sleeve T-Shirt\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e■Product Details.\u003c\/strong\u003e\u003cbr\u003eWarm CoreS T-Shirt \u003cbr\u003e— Looks ordinary, but has a warm heart — \u003cbr\u003e\u003cbr\u003eDuring the transitional seasons, when I was hiking or running in the mountains, I’ve had trouble with my stomach getting cold.\u003cbr\u003eI know that tucking my top into my pants keeps me warm. But that look just doesn’t suit my style.\u003cbr\u003eOn the other hand, if I layer on another undershirt, the upper body and underarms end up unnecessarily double-layered, and sometimes it gets too hot.\u003cbr\u003e――Wondering if there was a way to address that slight discomfort, I came up with the idea of making only the lower part of the abdomen a double-layered structure.\u003cbr\u003eWhen I shared that idea with the designer behind Axie's \"Ryo\" line, the result was the \"Haramaki T-shirt.\"\u003cbr\u003e\u003cbr\u003eBuilding on that concept, Gradation has now brought the Warm Core S TEE to life as a long-sleeve T-shirt.\u003cbr\u003e\u003cbr\u003eFeatures a double-layered design on the inside (which I’ve dubbed the “belly-warmer structure”). By making only the lower part of the abdomen double-layered, you can tuck the inner layer into your pants to keep your core warm when it’s cold, while the outer layer remains outside your pants, so it looks just like a regular long-sleeve T-shirt. \u003cbr\u003e\u003cbr\u003eIn addition, the wide silhouette at the upper arms helps reduce heat buildup under the arms, creating a sensation similar to the warmth of a traditional Japanese belly wrap—that’s Warm Core. \u003cbr\u003e\u003cbr\u003eA warmth that lies unseen gently wraps around your core. This is a new base layer born from the fusion of \"Ryo\"’s wisdom and Gradation’s philosophy—a garment that **“belongs nowhere yet fits in anywhere.”**\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e《Background》\u003c\/strong\u003e\u003cbr\u003eDuring the transitional seasons, when I was hiking or running in the mountains, I’ve had trouble with my stomach getting cold.\u003cbr\u003eI know that tucking my top into my pants keeps me warm. But that look just doesn’t suit my style.\u003cbr\u003eOn the other hand, if I layer on another undershirt, the upper body and underarms end up unnecessarily double-layered, and sometimes it gets too hot.\u003cbr\u003e――Wondering if there was a way to address that slight discomfort, I came up with the idea of making only the lower part of the abdomen a double-layered structure.\u003cbr\u003eWhen I shared that idea with the designer behind Axie's \"Ryo\" line, the result was the \"Haramaki T-shirt.\"\u003cbr\u003eEventually, that product reached the end of its lifecycle, but the comfort provided by its design remains vivid in my memory to this day.\u003cbr\u003e\"I want to bring this idea to life again.\"\u003cbr\u003eWith that in mind, we created the Warm Core series as a new addition to the Gradation line.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e\"The Meaning Behind the Name\"\u003c\/strong\u003e\u003cbr\u003eWarm Core—literally, “warm core.”\u003cbr\u003eWhile it refers to a design that warms the core, it also carries a slightly stronger emphasis on the idea that \"true warmth resides in the unseen parts.\"\u003cbr\u003eOn the surface, it looks like a perfectly ordinary long-sleeve T-shirt.\u003cbr\u003eBut inside, there is a mechanism that operates quietly.\u003cbr\u003eIt’s a mindset that values “personal comfort” at its core, rather than flashiness or making a statement.\u003cbr\u003eChoose a balance that feels right to you, not just to fit into a certain category.\u003cbr\u003eWarm Core was born at the intersection of freedom and functionality—a hallmark of Gradation.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e■Materials\u003c\/strong\u003e\u003cbr\u003e100% polyester\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e■Size\/Actual Dimensions (cm)\u003c\/strong\u003e\u003cbr\u003e[ XS ]  Chest: 45, Shoulder width: 50, Sleeve length: 50, Back length: 65\u003cbr\u003e[ S ] Chest: 50, Shoulder width: 53, Sleeve length: 54.5, Back length: 67\u003cbr\u003e[ M ] Chest: 52.5, Shoulder width: 54, Sleeve length: 57, Back length: 71\u003cbr\u003e[ L ] Chest: 56, Shoulder width: 56.5, Sleeve length: 59, Back length: 72\u003cbr\u003e[ XL ]  Chest: 58.5, Shoulder width: 58, Sleeve length: 63, Back length: 74\u003cbr\u003e*The front length is approximately 5 cm shorter than the back length.\u003cbr\u003e*Please note that these measurements were taken manually with the item laid flat, so please excuse any slight discrepancies.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e■Model\u003c\/strong\u003e\u003cbr\u003e[Men\/178cm\/66kg]: Wearing Black\/Size L\u003cbr\u003e[Men\/178cm\/66kg]: Wearing Gray\/XL\u003cbr\u003e[Men\/173cm\/64kg]: Wearing Black\/Size L\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e■Handling Instructions\u003c\/strong\u003e\u003cbr\u003eIf you wash this item at home, it may lose its shape slightly or shrink. Dark colors may bleed, so please avoid washing them with other items.\u003cbr\u003e\u003c\/p\u003e\n\u003cul style=\"list-style: none;margin:0;padding:0;\"\u003e\n  \u003cli style=\"display:inline;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0791\/4917\/0973\/files\/58df05e036ec39e6feb4f9fb09242ca0_122388d9-add7-4c1a-bb50-0b570be0c8a4.jpg?v=1761539974\u0026amp;width=45\" alt=\"\" style=\"max-width: 45px;\"\u003e\u003c\/li\u003e\n  \u003cli style=\"display:inline;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0791\/4917\/0973\/files\/icon_3020.png?v=1745640547\u0026amp;width=45\" style=\"max-width: 45px;\"\u003e\u003c\/li\u003e\n  \u003cli style=\"display:inline;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0791\/4917\/0973\/files\/icon_3031.png?v=1745640546\u0026amp;width=45\" style=\"max-width: 45px;\"\u003e\u003c\/li\u003e\n  \u003cli style=\"display:inline;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0791\/4917\/0973\/files\/icon_3017.png?v=1745640547\u0026amp;width=45\" style=\"max-width: 45px;\"\u003e\u003c\/li\u003e\n  \u003cli style=\"display:inline;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0791\/4917\/0973\/files\/icon_3022.png?v=1745640546\u0026amp;width=45\" style=\"max-width: 45px;\"\u003e\u003c\/li\u003e\n  \u003cli style=\"display:inline;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0791\/4917\/0973\/files\/icon_3038.png?v=1745640547\u0026amp;width=45\" style=\"max-width: 45px;\"\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e*Please note that the actual product may differ from the image in terms of color, shade, intensity, and pattern placement.\u003c\/p\u003e","brand":"Gradation","offers":[{"title":"YELLOW \/ XS","offer_id":50541676953885,"sku":"rc_ITMKXTILGDA0_iFyU","price":14300.0,"currency_code":"JPY","in_stock":true},{"title":"YELLOW \/ S","offer_id":50541676986653,"sku":"rc_IT9DVXMYXAPS_dKll","price":14300.0,"currency_code":"JPY","in_stock":true},{"title":"YELLOW \/ M","offer_id":50541677019421,"sku":"rc_ITLFC8LSVHD4_vNOh","price":14300.0,"currency_code":"JPY","in_stock":true},{"title":"YELLOW \/ L","offer_id":50541677052189,"sku":"rc_ITSKQR3OLYJ4_Zk8B","price":14300.0,"currency_code":"JPY","in_stock":true},{"title":"YELLOW \/ XL","offer_id":50541677084957,"sku":"rc_IT65Z4XUPLJK_9Yg3","price":14300.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0791\/4917\/0973\/files\/xHNrIVmsQr9chOZXyhLYdnEpFLWzb00EUe5b5skq.jpg?v=1761540846"},{"product_id":"rc_itkxq5mb8tm8_ujpq","title":"Warm Core L\/S TEE #WHITE｜Gradation","description":"\u003cp\u003eGradient Warm Core Long-Sleeve T-Shirt\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e■Product Details.\u003c\/strong\u003e\u003cbr\u003eWarm CoreS T-Shirt \u003cbr\u003e— Looks ordinary, but has a warm heart — \u003cbr\u003e\u003cbr\u003eDuring the transitional seasons, when I was hiking or running in the mountains, I’ve had trouble with my stomach getting cold.\u003cbr\u003eI know that tucking my top into my pants keeps me warm. But that look just doesn’t suit my style.\u003cbr\u003eOn the other hand, if I put on another layer underneath, the upper body and underarms end up unnecessarily double-layered, and sometimes it gets too hot.\u003cbr\u003e――Wondering if there was a way to address that slight discomfort, I came up with the idea of making only the lower part of the abdomen a double-layered structure.\u003cbr\u003eWhen I shared that idea with the designer behind Axie's \"Ryo\" line, the result was the \"Haramaki T-shirt.\"\u003cbr\u003e\u003cbr\u003eBuilding on that concept, Gradation has now brought the Warm Core S TEE to life as a long-sleeve T-shirt.\u003cbr\u003e\u003cbr\u003eFeatures a double-layered design on the inside (which I’ve dubbed the “belly-warmer structure”). By making only the lower part of the abdomen double-layered, you can tuck the inner layer into your pants to keep your core warm when it’s cold, while the outer layer remains outside your pants, so it looks just like a regular long-sleeve T-shirt. \u003cbr\u003e\u003cbr\u003eIn addition, the wide silhouette at the upper arms helps reduce heat buildup under the arms, creating a sensation similar to the warmth of a traditional Japanese belly wrap—that’s Warm Core. \u003cbr\u003e\u003cbr\u003eA warmth that lies unseen gently wraps around your core. This is a new base layer born from the fusion of \"Ryo\"’s wisdom and Gradation’s philosophy—a garment that **“belongs nowhere yet fits in anywhere.”**\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e《Background》\u003c\/strong\u003e\u003cbr\u003eDuring the transitional seasons, when I was hiking or running in the mountains, I’ve had trouble with my stomach getting cold.\u003cbr\u003eI know that tucking my top into my pants keeps me warm. But that look just doesn’t suit my style.\u003cbr\u003eOn the other hand, if I put on another layer underneath, the upper body and underarms end up unnecessarily double-layered, and sometimes it gets too hot.\u003cbr\u003e――Wondering if there was a way to address that slight discomfort, I came up with the idea of making only the lower part of the abdomen a double-layered structure.\u003cbr\u003eWhen I shared that idea with the designer behind Axie's \"Ryo\" line, the result was the \"Haramaki T-shirt.\"\u003cbr\u003eEventually, that product reached the end of its lifecycle, but the comfort provided by its design remains vivid in my memory to this day.\u003cbr\u003e\"I want to bring this idea to life again.\"\u003cbr\u003eWith that in mind, we created the Warm Core series as a new addition to the Gradation line.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e\"The Meaning Behind the Name\"\u003c\/strong\u003e\u003cbr\u003eWarm Core—literally, “warm core.”\u003cbr\u003eWhile it refers to a design that warms the core, it also carries a slightly stronger emphasis on the idea that \"true warmth resides in the unseen parts.\"\u003cbr\u003eOn the surface, it looks like a perfectly ordinary long-sleeve T-shirt.\u003cbr\u003eBut inside, there is a mechanism that operates quietly.\u003cbr\u003eIt’s a mindset that values “personal comfort” at its core, rather than flashiness or making a statement.\u003cbr\u003eChoose a balance that feels right to you, not just to fit into a certain category.\u003cbr\u003eWarm Core was born at the intersection of freedom and functionality—a hallmark of Gradation.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e■Materials\u003c\/strong\u003e\u003cbr\u003e100% polyester\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e■Size\/Actual Dimensions (cm)\u003c\/strong\u003e\u003cbr\u003e[ XS ]  Chest: 45, Shoulder width: 50, Sleeve length: 50, Back length: 65\u003cbr\u003e[ S ] Chest: 50, Shoulder width: 53, Sleeve length: 54.5, Back length: 67\u003cbr\u003e[ M ] Chest: 52.5, Shoulder width: 54, Sleeve length: 57, Back length: 71\u003cbr\u003e[ L ] Chest: 56, Shoulder width: 56.5, Sleeve length: 59, Back length: 72\u003cbr\u003e[ XL ]  Chest: 58.5, Shoulder width: 58, Sleeve length: 63, Back length: 74\u003cbr\u003e*The front length is approximately 5 cm shorter than the back length.\u003cbr\u003e*Please note that these measurements were taken manually with the item laid flat, so please excuse any slight discrepancies.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e■Model\u003c\/strong\u003e\u003cbr\u003e[Men\/178cm\/66kg]: Wearing Black\/Size L\u003cbr\u003e[Men\/178cm\/66kg]: Wearing Gray\/XL\u003cbr\u003e[Men\/173cm\/64kg]: Wearing Black\/Size L\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e■Handling Instructions\u003c\/strong\u003e\u003cbr\u003eIf you wash this item at home, it may lose its shape slightly or shrink. Dark colors may bleed, so please avoid washing them with other items.\u003cbr\u003e\u003c\/p\u003e\n\u003cul style=\"list-style: none;margin:0;padding:0;\"\u003e\n  \u003cli style=\"display:inline;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0791\/4917\/0973\/files\/58df05e036ec39e6feb4f9fb09242ca0_122388d9-add7-4c1a-bb50-0b570be0c8a4.jpg?v=1761539974\u0026amp;width=45\" alt=\"\" style=\"max-width: 45px;\"\u003e\u003c\/li\u003e\n  \u003cli style=\"display:inline;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0791\/4917\/0973\/files\/icon_3020.png?v=1745640547\u0026amp;width=45\" style=\"max-width: 45px;\"\u003e\u003c\/li\u003e\n  \u003cli style=\"display:inline;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0791\/4917\/0973\/files\/icon_3031.png?v=1745640546\u0026amp;width=45\" style=\"max-width: 45px;\"\u003e\u003c\/li\u003e\n  \u003cli style=\"display:inline;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0791\/4917\/0973\/files\/icon_3017.png?v=1745640547\u0026amp;width=45\" style=\"max-width: 45px;\"\u003e\u003c\/li\u003e\n  \u003cli style=\"display:inline;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0791\/4917\/0973\/files\/icon_3022.png?v=1745640546\u0026amp;width=45\" style=\"max-width: 45px;\"\u003e\u003c\/li\u003e\n  \u003cli style=\"display:inline;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0791\/4917\/0973\/files\/icon_3038.png?v=1745640547\u0026amp;width=45\" style=\"max-width: 45px;\"\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e*Please note that the actual product may differ from the image in terms of color, shade, intensity, and pattern placement.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Gradation","offers":[{"title":"WHITE \/ XS","offer_id":50541677150493,"sku":"rc_ITKXQ5MB8TM8_uJPq","price":14300.0,"currency_code":"JPY","in_stock":true},{"title":"WHITE \/ S","offer_id":50541677183261,"sku":"rc_ITZPLK6V7AUA_Aq7G","price":14300.0,"currency_code":"JPY","in_stock":true},{"title":"WHITE \/ M","offer_id":50541677216029,"sku":"rc_ITNT98NJB1RM_SMuK","price":14300.0,"currency_code":"JPY","in_stock":true},{"title":"WHITE \/ L","offer_id":50541677248797,"sku":"rc_IT4REKL1O1QO_RiWe","price":14300.0,"currency_code":"JPY","in_stock":true},{"title":"WHITE \/ XL","offer_id":50541677281565,"sku":"rc_ITWA9PJS7184_8BbQ","price":14300.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0791\/4917\/0973\/files\/KakpSxKrbbtWxsfvYPBdK0vqJNtvIZqTUmwT1Hyh.jpg?v=1761540860"}],"url":"https:\/\/shop.moderateweb.com\/en\/collections\/warm-core-l-s-tee.oembed","provider":"moderate","version":"1.0","type":"link"}