Champion Men's Cold Weather Tight Body: 92% Polyester, 8% Spandex; 84% Polyester, 16% Spandex Imported Machine Wash Champion Vapor with X-Temp technology dries faster as your body heat rises Duo fold warm control provides warmth without weight Fresh IQ - advanced odor protection technology - helps keep you fresh Glued fusion side panels with comfort elastic Gripper elastic at leg opening