6 oz./yd², 100% USA cotton, 18 singles ; Charcoal Grey is 50/50 USA cotton/polyester; Safety Green and Lime are 50/50 USA cotton/polyester; Classic fit; Forward-thrusted shoulder seam for comfortable neck fit; 7/8" seamless non-topstitched collar; Shoulder-to-shoulder neck tape; 1" double-needle stitched sleeve and bottom hems; Quarter-turned to eliminate center crease; Tear away label;