96% Ultra-Soft Polyester 4% Spandex2 Piece thermal set they are ultra soft, warm, comfortable and great to wear at home or add an extra layer of warmth under your clothes.Made from Ultra-Soft polyester and spandex, the four way stretch material provides a comfortable fitPerfect for indoor/outdoor winter activities,such as cycling, skiing, climbing, running, snowboarding, yoga, fitness body training etc2 Pieces: Top and Bottom Included. Available in Black, Navy, Grey,Dark GrayHand Wash in Cold Water / Do Not Bleach / Lay Flat to Dry / Dry Clean if Need Please refer to our size information for accuracy before ordering