New Triumph Uruoi Ceratec G3500 8-sleeve Infrared Innerwear for Cold Protection Product Description: Gentle texture with 100% cotton on the skin side. The main fabric has far-infrared radiation function. The skin side is 100% cotton for a soft feel. The color may differ slightly from the actual product depending on the lighting during photography. Please understand. Also, although it is a new, unused product, it has been stored in a warehouse, so please refrain from purchasing if you are looking for a product in the same condition as new.