5.3 oz./yd² (US) 8.8 oz./L yd (CA), 100% cotton, 20 singles Ash Grey is 99/1 cotton/polyester Sport Grey: 90/10 cotton/polyester Dark Heather, Graphite Heather, Safety Green & Safety Orange are 50/50 cotton/polyester Safety Green is compliant with ANSI / ISEA 107 high-visibility standards Innovation you can feel. Made with 100% U.S. cotton and the latest breakthrough in soft cotton technology, the Gildan® Heavy Cotton family has been remastered for improved printability, quality and comfort you can see and feel. Classic fit Classic width rib collar Taped neck and shoulders Rib cuffs Tear away label