Our Boys Comfortech Stretch Poly 2-Piece Set is soft, yet stretchy and lightweight for everyday comfort and warmth without the bulk. Features Long sleeve crew neck top and long pant Wicks away moisture and stays dry Added stretch for enhanced fit and comfort Thumbholes for easy layering Functional fly Tagless for added comfort Fabric 92% Polyester, 8% Spandex Care Machine wash cold, gentle cycle. Do not use fabric softener. Use only non-chlorine bleach when needed. Tumble dry low, remove promptly. Cool iron if needed.