4-ounce 98% cotton/2% spandex twill - Rugged Flex: Built to stretch and flex with you as you move - Garment-washed for a soft finish and reduced shrinkage - Triple-stitched main seams - Spread collar - Shorter length can be work tucked or untucked - Two chest pockets with button closure - Carhartt label on left chest pocket - Back length (medium regular length): 30"