4.5 oz./yd² (US) 7.5 oz./L yd (CA), 100% ring-spun cotton, 30 singles Antique colors & Sport Grey are 90/10 cotton/polyester Dark Heather & Heather colors are 65/35 polyester/cotton Graphite Heather is 50/50 cotton/ polyester Modern classic fit Narrow width, rib collar Taped neck and shoulders for comfort and durability Tear away label Gildan partners with Better Cotton to improve cotton farming globally Made with OEKO-TEX certified low-impact dyes