Details Men's heavyweight thermal shirt. This versatile thermal shirt keeps you warm and comfortable on colder workdays. It's made with a stretchy cotton-blend fabric and has a chest pocket up front with a built-in pen stall. Specs 8.25-ounce, 58% cotton / 39% polyester / 3% elastane textured doubleknit Relaxed fit Henley collar with three-snap front Rib-knit cuffs help keep out the cold Rolled-forward shoulder Side-seam construction minimizes twisting Carhartt patch sewn on left-chest pocket with pen stall Heat-transfer back neck label