This is a UNIQLO HEATTECH Extra Warm Crew Neck Long Sleeve T-shirt. Black color with excellent heat retention. - Brand: UNIQLO - Model Name: HEATTECH Extra Warm - Type: Long Sleeve T-shirt - Size: 160 - Color: Black - Material: 62% Cotton, 29% Acrylic, 9% Polyurethane Purchased in December 2025. This is a new, unopened, and stored-at-home long sleeve innerwear from UNIQLO's Extra Warm line. Please note that this item has been stored at home. Please only purchase if you understand and accept this.