6 oz./yd (US) 10 oz./L yd (CA), 100% cotton, 18 singles. Ash Grey - 99/1 cotton/polyester. Heather colors & Safety colors - 50/50 cotton/polyester. Antique colors & Sport Grey - 90/10 cotton/polyester. Safety Green - Compliant with ANSI / ISEA 107. Heavyweight fabric. Classic fit. Non-topstitched, classic width, rib collar. Double-needle sleeve and bottom hems. Taped neck and shoulders. Tear away label. PFD White - 100% cotton with cotton thread. No optical brighteners - allows for more consistent dye adherence. Increased body and sleeve lengths to accommodate shrinkage.