Under Armour high-neck long sleeve, navy, size XO. This is a winter undershirt that fits snugly but isn't constricting. Brand new, unused, in a bag. Wearing just this and a jacket on top will keep you plenty warm. It's compatible with high school baseball, so the logo is stealth and the same color, making it suitable as an undershirt for adults' everyday wear. If you haven't tried it before, I recommend it. Please try it at least once. It's completely different in warmth compared to U◯iq◯o. Size XO is, According to the manufacturer's specifications, it's for people with a height of 182-188cm and a chest size of 101-107cm. It's a 6300 yen item including tax. The undershirt in the photo is black, but the actual item is navy, so please be aware of that. Since it's new, I cannot offer a discount.