Doron Doron High Neck Shirt D1012 Sports Inner Recovery Wear Compression Wear Undershirt Cold Protection L Size Black Unisex 【Doron Sports Underwear】 This is unique functional sports underwear made in Japan, using carefully selected fabric infused with approximately 30 times the normal concentration of Phiten's Aqua-Titanium (Phiten's standard) throughout the fabric, "X30". Heat Doron absorbs moisture generated by the body and provides a heat-generating effect. By taking in the generated heat into the fibers, it keeps the inside of the clothing dry and warm, keeping the body comfortable. Wearing it with a high neck can be expected to be more effective. It can be worn by both men and women! When shipping, the item will be removed from its box and shipped in a compact form. Please understand.