Safety Green: Compliant with ANSI / ISEA 107. 5.3 oz./yd² (US) 8.8 oz./L yd (CA), 100% cotton. Double-needle sleeve and bottom hems. Tear away label. Taped neck and shoulders. Antique colors & Sport Grey : 90/10 cotton/polyester. Classic fit. 7/8" rib collar. Ash Grey: 99/1 cotton/polyester. Heather colors, Graphite Heather, Safety colors,Tweed, Blackberry, Lilac, Midnight, Neon colors & Sunset: 50/50 cotton/polyester.