Free shipping ✨ Organic cotton ✨ Retains body temperature and keeps you warm 【Warm long-sleeved inner shirt ✴︎ Cotton material on the skin side】 Long T-shirt, long-sleeved T-shirt Round neck, 3/4 sleeves M Black Black It's a heat-generating material like Heattech! I bought it new last month. I changed the size, so I'm selling this one. Used 1-2 times, Carefully maintained. There are no particular issues, but please consider it as a second-hand item ♪ I'm also selling a lot of other items. Please take a look ♪ Uniqlo Heattech Fiber Heat Extra Warm Ultra Warm MUJI Crew neck