6.0 oz./ydІ; 100% combed ring spun cotton ; Graphite Heather is 50% cotton, 50% polyester; Ring Spun Sport Grey is 90% cotton, 10% polyester; Classic fit; Seamless non-topstitched 7/8"collar; Taped neck and shoulders; Tear away label; Single needle left chest set pocket; 7/8" double needle pocket, sleeve and bottom hems; Quarter-turned to eliminate center crease