Warm Core L/S TEE #GRAY

¥14,300 JPY

COLOR GRAY

SIZE XS S M L XL

Gradient Warm Core Long-Sleeve T-Shirt

■Product Details.
Warm CoreS T-Shirt
— Looks ordinary, but has a warm heart —

During the transitional seasons, when I was hiking or running in the mountains, I’ve had trouble with my stomach getting cold.
I know that tucking my top into my pants keeps me warm. But that look just doesn’t suit my style.
On 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.
――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.
When I shared that idea with the designer behind Axie's "Ryo" line, the result was the "Haramaki T-shirt."

Building on that concept, Gradation has now brought the Warm Core S TEE to life as a long-sleeve T-shirt.

Features 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.

In 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.

A 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.”**

《Background》
During the transitional seasons, when I was hiking or running in the mountains, I’ve had trouble with my stomach getting cold.
I know that tucking my top into my pants keeps me warm. But that look just doesn’t suit my style.
On 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.
――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.
When I shared that idea with the designer behind Axie's "Ryo" line, the result was the "Haramaki T-shirt."
Eventually, that product reached the end of its lifecycle, but the comfort provided by its design remains vivid in my memory to this day.
"I want to bring this idea to life again."
With that in mind, we created the Warm Core series as a new addition to the Gradation line.

"The Meaning Behind the Name"
Warm Core—literally, “warm core.”
While 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."
On the surface, it looks like a perfectly ordinary long-sleeve T-shirt.
But inside, there is a mechanism that operates quietly.
It’s a mindset that values “personal comfort” at its core, rather than flashiness or making a statement.
Choose a balance that feels right to you, not just to fit into a certain category.
Warm Core was born at the intersection of freedom and functionality—a hallmark of Gradation.

■Materials
100% polyester

■Size/Actual Dimensions (cm)
[ XS ] Chest: 45, Shoulder width: 50, Sleeve length: 50, Back length: 65
[ S ] Chest: 50, Shoulder width: 53, Sleeve length: 54.5, Back length: 67
[ M ] Chest: 52.5, Shoulder width: 54, Sleeve length: 57, Back length: 71
[ L ] Chest: 56, Shoulder width: 56.5, Sleeve length: 59, Back length: 72
[ XL ] Chest: 58.5, Shoulder width: 58, Sleeve length: 63, Back length: 74
*The front length is approximately 5 cm shorter than the back length.
*Please note that these measurements were taken manually with the item laid flat, so please excuse any slight discrepancies.

■Model
[Men/178cm/66kg]: Wearing Black/Size L
[Men/178cm/66kg]: Wearing Gray/XL
[Men/173cm/64kg]: Wearing Black/Size L

■Handling Instructions
If 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.

*Please note that the actual product may differ from the image in terms of color, shade, intensity, and pattern placement.

Credit Card Payment

Convenience Store Payment

Digital Wallets and QR Code Payments

Bank transfer

Japan Post Bank

Before ordering

As a rule, we do not accept returns or exchanges of products for reasons attributable to the customer, such as "it's not what I imagined" or "the size doesn't fit." If you have any questions or concerns, please consult our staff first.

Please understand and accept the following points before ordering.

The colour and texture of the products may appear slightly different depending on the device and environment used.
The dimensions given in the product description may have slight deviations.
The product may have minor scratches and scuffs that are unavoidable during the manufacturing process.
Depending on the material of the product, there may be individual differences in colour irregularities, texture and pattern.

Cancellation of orders

As a rule, cancellations after the dispatch completion email has been sent are not accepted.

Although we make every effort to manage our stock, we reserve the right to cancel an order if we are unable to keep the ordered product in stock for an unavoidable reason.

Limit on number of purchases

The number of purchases may be limited for some products. Orders from multiple accounts that appear to be from the same person, or orders that appear to be using a BOT, may be cancelled or reduced in quantity.

*The Company does not guarantee or bear any responsibility for any loss or disadvantage caused by the cancellation.

Returns and exchanges

However, in the unlikely event that the product is damaged or defaced, or if you receive an item that is different from your order, please contact us within 7 days of the delivery date. We will take action at our expense.

If a replacement can be secured, the product will be replaced.
If a replacement cannot be secured, a refund will be made.

Returns and exchanges will not be accepted if any of the following conditions apply. Please note in advance

If more than 8 days have elapsed since the arrival of the goods
When the customer is deemed to have used the product by our company.
If the product has been repaired, washed or cleaned.
Loss or damage to accessories (product tag, warranty card, bag, box, etc.)
If smells, scratches or stains occur under the customer's care.
Products that come into contact with the skin, such as underwear, socks and accessories, perfumes and cosmetics.
If you return the goods without informing us in advance.

About the indicated prices

Every care is taken to ensure that correct product information is displayed on the website, but in the unlikely event that it is discovered after payment has been made that the price of a product was incorrectly displayed on the website, the customer will be contacted and the correct price will be corrected before payment is made or the order is cancelled.

This product is sold by sharing stock with the actual shop and other shopping sites operated by our company. Stock will be checked after the order is received, and there is a possibility that the product may be out of stock in some cases. In such cases, we will inform you by e-mail.