100% preshrunk cotton double-needle stitching throughout taped shoulder-to-shoulder ribbed cuffs ?inch collar 100% preshrunk cotton; double-needle stitching throughout; taped shoulder-to-shoulder; ribbed cuffs; ?inch collar; Ash Grey is 99/1; Sport Grey is 90/1; Dark Heather, Safety Green and Safety Orange are 50% cotton, 50% polyester