Brand: Hanes Men Style: 25447 Sizes: 3XL, 4XL Fabric Content: 60% Cotton, 40% Polyester Hanes Men Extended Sizes X-Temp Thermal Union Suit Style 25447. Put your comfort into high gear. X-Temp technology adapts to your temperature, environment, and activity to keep you cool and dry. One of the first products marketed under the Hanes name, updated for extra comfort and durability. Button front. Soft, waffle knit thermal cotton-rich fabric. One-button closure in back. Generous full cut fit. Flat, no-rub seams will not chafe. Preshrunk for lasting fit. Comfortable, double-layer knit cuffs stretch to keep their shape. Size up for a roomier fit.