Taped neck and shoulders for comfort and durability. Antique Colors & Sport Grey are 90/10 cotton/polyester. Classic width, rib collar. Classic fit. Tear away label. 6 oz./yd² (US) 10 oz./L yd (CA), 100% cotton, 18 singles. Heather Colors & Safety Colors are 50/50 cotton/polyester. Increased body and sleeve lengths to accommodate shrinkage.. No optical brighteners - allows for more consistent dye adherence.. Safety Green is compliant with ANSI / ISEA 107 high-visibility standards. Ash Grey is 99/1 cotton/polyester. PFD White: 100% cotton with cotton thread. Made with OEKO-TEX certified low-impact dyes.. Proud member of the U.S. Cotton Trust Protocol.