7 oz./yd² (US), 11.7 oz./L yd (CA), 100% cotton, 13 singles; Silver Grey is 99/1 cotton/polyester; Oxford Grey is 90/10 cotton/polyester; Charcoal Heather is 50/50 cotton/polyester; 1" bound ribbed crew neck; Deep armholes; Double-needle stitched sleeves and bottom hem; Champion “C” logo on left sleeve; Proud member of the U.S. Cotton Trust Protocol.; Made with OEKO-TEX certified low-impact dyes.; We reduce plastic waste by the removal of polybags from all products except color White; ; This product meets the following Sustainable Style subcategories:; Sustainable Manufacturing: This product was made in a facility that is run by at least 50% renewable energy; Socially Conscious Manufacturing: This product was made in a facility that utilizes the Higg Index and has implemented Level 2 practices or above, and was made by a mill that has partnered with or is accredited by the Fair Labor Association;