Rashel knit, Long sleeve shirt, Full cut adds comfortable fit, Extended tail that tucks in * Super moisture management that wicks moisture away, Shrinkage control keeps size and shape, Machine washable * Antimicrobial properties include scent blockers that eliminate odor * Dual face technology adds extra warmth without the weight * Very durable and comfortable, Fleeced 100% HydroPur Polyester inside, 100% Combed Ring Spun Cotton outside