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Yamato Michi 100% Light Merino Sleeveless (Men's)
■Excerpt from the manufacturer's description
○ Changes to the 2026 Model
We revised our dyeing method, switching from “yarn dyeing”—where the yarn is dyed before weaving—to “fabric dyeing,” where the fabric is dyed after it has been woven.
*Precautions for Use*
〇 About Color Transfer in Fabrics
Please be aware that this product may cause color transfer if it rubs against white or light-colored shirts that are wet from sweat or rain.
〇 About Using the Dryer
You can use the dryer on a low-temperature cycle (maximum 60°C). However, since this can cause the fabric to pill or shed fibers, please avoid using it too frequently.If moisture evaporates while the fabric is folded or wrinkled, the wrinkles will set once the garment cools. Therefore, do not use a laundry net; instead, dry the garment on its own or in a machine with ample space. Remove the garment promptly after drying.
*Note: Using a dryer will shorten the garment by 1–2 cm, but this can be corrected by washing it again and hanging it to dry.
■ 100% Merino—Perfect for Rigorous Activities
A slim-fit, lightweight (150–155 g/m²) merino sleeveless top ideal for trail running and challenging hikes.
With the soft feel unique to 100% merino wool, powerful natural odor-neutralizing properties that keep it odor-free even after days of wear, and temperature- and humidity-regulating features that keep you “cool in summer and warm in winter,” this garment ensures your comfort at all times. Plus, it’s safe to put in the dryer (up to 60°C), so be sure to pack it for your next long trip.
Of course, it also looks great paired with a Yama to Michi trail shirt.
■Material：100% Merino Wool, 150-160g/m2
■Weight
・99g (Size S)
・108 g (Size M)
・115 g (Size L)
・128g (Size XL)
■Made in Akita, Japan
■Product Dimensions (cm)
[ S ] Length: 63.5, Shoulder width: 36, Body width: 45, Hem width: 44
[ M ] Length: 66.5, Shoulder width: 38, Body width: 47.5, Hem width: 46.5
[ L ] Length: 68.5, Shoulder width: 41, Body width: 51.5, Hem width: 50.5
[ XL ] Length: 70.5, Shoulder width: 44, Body width: 55.5, Hem width: 54.5
*From the manufacturer's website*
*Due to the nature of the fabric, some stretching or shrinking may occur after washing; however, the garment has been tailored to account for this expansion or contraction after washing and drying.
*The figures above are for the product in its unwashed state at the time of purchase.
*Due to the nature of stretchy knit fabric, there may be individual variations of 1–2 cm in the product.
*Due to the nature of the fabric, there may be slight variations in shrinkage from item to item. Shrinkage may also vary depending on the type of washing machine and the wash cycle selected.
*Using a dryer on a low-temperature setting may cause the garment to shrink more than it would if air-dried, but this can be remedied by washing it again and hanging it to dry.
*If you notice shrinkage after washing and drying, you can fix it by stretching the garment while steaming it with an iron.
■Product Care
・Merino wool can become prone to moth damage if body oils build up. Please wash it regularly.
・When storing the item, please use moth repellents and take measures to keep it in an airtight container to prevent insect damage.
・Yama to Michi’s 100% merino wool fabric is resistant to shrinkage, so it can be washed in a washing machine using a “delicate cycle” or similar setting designed to gently wash delicate garments with a gentle water flow.
・Regular detergents remove too much of the natural oils found in wool, which can cause the dye to run and lead to color fading. When washing, please use a neutral detergent designed for delicate fabrics.
・Because the fibers are short, pilling and fuzz may occur; however, as you wash the item, some of the fuzz will shed, and pilling will become less likely over time.
*Please note that since we are using manufacturer images, the actual product may differ slightly in terms of specifications (such as logo placement, color, and pattern placement).
Men's 100% Light Merino Sleeveless #Charcoal
¥9,500 JPY
Regular price
Sale price
¥9,500 JPY
July 6, 2026 at 9:00 pm Commencement of sales
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Product Description.
■Excerpt from the manufacturer's description
○ Changes to the 2026 Model
We revised our dyeing method, switching from “yarn dyeing”—where the yarn is dyed before weaving—to “fabric dyeing,” where the fabric is dyed after it has been woven.
*Precautions for Use*
〇 About Color Transfer in Fabrics
Please be aware that this product may cause color transfer if it rubs against white or light-colored shirts that are wet from sweat or rain.
〇 About Using the Dryer
You can use the dryer on a low-temperature cycle (maximum 60°C). However, since this can cause the fabric to pill or shed fibers, please avoid using it too frequently.If moisture evaporates while the fabric is folded or wrinkled, the wrinkles will set once the garment cools. Therefore, do not use a laundry net; instead, dry the garment on its own or in a machine with ample space. Remove the garment promptly after drying.
*Note: Using a dryer will shorten the garment by 1–2 cm, but this can be corrected by washing it again and hanging it to dry.
■ 100% Merino—Perfect for Rigorous Activities
A slim-fit, lightweight (150–155 g/m²) merino sleeveless top ideal for trail running and challenging hikes.
With the soft feel unique to 100% merino wool, powerful natural odor-neutralizing properties that keep it odor-free even after days of wear, and temperature- and humidity-regulating features that keep you “cool in summer and warm in winter,” this garment ensures your comfort at all times. Plus, it’s safe to put in the dryer (up to 60°C), so be sure to pack it for your next long trip.
Of course, it also looks great paired with a Yama to Michi trail shirt.
■Material：100% Merino Wool, 150-160g/m2
■Weight
・99g (Size S)
・108 g (Size M)
・115 g (Size L)
・128g (Size XL)
■Made in Akita, Japan
■Product Dimensions (cm)
[ S ] Length: 63.5, Shoulder width: 36, Body width: 45, Hem width: 44
[ M ] Length: 66.5, Shoulder width: 38, Body width: 47.5, Hem width: 46.5
[ L ] Length: 68.5, Shoulder width: 41, Body width: 51.5, Hem width: 50.5
[ XL ] Length: 70.5, Shoulder width: 44, Body width: 55.5, Hem width: 54.5
*From the manufacturer's website*
*Due to the nature of the fabric, some stretching or shrinking may occur after washing; however, the garment has been tailored to account for this expansion or contraction after washing and drying.
*The figures above are for the product in its unwashed state at the time of purchase.
*Due to the nature of stretchy knit fabric, there may be individual variations of 1–2 cm in the product.
*Due to the nature of the fabric, there may be slight variations in shrinkage from item to item. Shrinkage may also vary depending on the type of washing machine and the wash cycle selected.
*Using a dryer on a low-temperature setting may cause the garment to shrink more than it would if air-dried, but this can be remedied by washing it again and hanging it to dry.
*If you notice shrinkage after washing and drying, you can fix it by stretching the garment while steaming it with an iron.
■Product Care
・Merino wool can become prone to moth damage if body oils build up. Please wash it regularly.
・When storing the item, please use moth repellents and take measures to keep it in an airtight container to prevent insect damage.
・Yama to Michi’s 100% merino wool fabric is resistant to shrinkage, so it can be washed in a washing machine using a “delicate cycle” or similar setting designed to gently wash delicate garments with a gentle water flow.
・Regular detergents remove too much of the natural oils found in wool, which can cause the dye to run and lead to color fading. When washing, please use a neutral detergent designed for delicate fabrics.
・Because the fibers are short, pilling and fuzz may occur; however, as you wash the item, some of the fuzz will shed, and pilling will become less likely over time.
*Please note that since we are using manufacturer images, the actual product may differ slightly in terms of specifications (such as logo placement, color, and pattern placement).
Accepted payment methods.
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Convenience Store Payment
Digital Wallets and QR Code Payments
Bank transfer
Japan Post Bank
Cancellation, returns and exchanges
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.
Leave a Message
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.
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