A comfortable essential done the Carhartt way. The Carhartt Men's Midweight Waffle Union Suit is made from a cotton-poly blend that reduces chafing and provides maximum comfortability. It can be worn as a base layer in the cold months and has thumbhole sleeves for extra coverage.Features5.29 ounce, 60% cotton, 40% PolyesterBuilt to move with Rugged Flex stretch technologyWaffle Knit traps heatSmooth Flatlock seams and tagless label for comfortCarhartt logo printed on chestConcealed thumb loop