8 oz./yd (US) 13.3 oz./L yd (CA), 50/50 cotton/polyester, 20 singles. Heather Sport colors: 60/40 polyester/cotton. Safety Green: Compliant with ANSI / ISEA 107. Classic fit. Air jet yarn for softer feel and reduced pilling. Double-needle stitching at shoulders, armholes, neck, waistband and cuffs. 1x1 rib with spandex for enhanced stretch and recovery. Tear away label.