9 oz./yd² (US) 15.5 oz./L yd (CA), 50/50 cotton/polyester, 21 singles Safety Green is compliant with ANSI / ISEA 107 high-visibility standards The Dry Blend collection is now made with finer yarns and new MVS Air spinning technology, that improves the fabric by reducing pilling, enhancing durability and creating a smoother printing surface.Classic fit Double-lined hood with color-matched drawcord 1 x 1 rib with spandex for enhanced stretch and recovery Pouch pocket Tear away label Proud member of the U.S. Cotton Trust Protocol Made with OEKO-TEX certified low-impact dyes.