One Piece Long Johns by Terramar Union Suit is created from 100% Cotton - traps body heat to keep you warm in the coldest conditions One Piece Long Johns feature button down front and back flap with button opening Union Suit has reinforced ribbed cuffs and flat seam construction to be durable and comfortable One Piece Long Johns are available in Red Only - Sizes: Small, Medium, Large, XL & 2X Size- where to measure Small Medium Large X-Large XX-Large Chest 34-36 38-40 42-44 46-48 50-52 Inseam 5’8-6’0 5’8-6’0 5’8-6’0 5’8-6’0 5’8-6’0