5.5 oz./yd² (US) 9.2 oz./L yd (CA), 50/50 cotton/polyester, 20 singles Heather Sport colors are 65/35 polyester/cotton Safety Green is compliant with ANSI / ISEA 107 high-visibility standards DryBlend's moisture-wicking fabric delivers both comfort and coolness. Modern classic fit Classic width, rib collar Taped neck and shoulders for comfort and durability Tear away label