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