4.5 oz./yd² (US), 7.5 oz./L yd (CA), 100% combed ring-spun cotton, 30 singles; Heather is 90/10 combed ring-spun cotton/polyester; Granite Heather, Vintage Camo & Vintage Smoke are 60/40 cotton/polyester; White is sewn with 100% cotton thread; Topstitched ribbed crewneck; Double-needle stitched bottom hem; Shoulder-to-shoulder self-fabric back neck tape ; Ribbed cuffs; Side seam construction; CPSIA compliant tracking label in side seam; EasyTear™label; This product meets the following Sustainable Style subcategory:Socially Conscious Manufacturing: This product was made in a facility that is WRAP certified;