4.5 oz., 100% preshrunk ringspun cotton jersey; Sport Grey and Antique colors: 90% cotton, 10% polyester; Graphite Heather: 50% cotton, 50% polyester; All other Heather colors: 65% polyester, 35% cotton; Seamless double-needle 3/4 collar; Taped neck and shoulders; Rolled forward shoulder; Double-needle sleeve and bottom hem; Tubular fit for minimal torque; Grey pearlized tear away label transitioning to Black tear away label; Gildans manufacturing process utilizes 45% renewable energy; Gildan?