5.3 oz.(US) 8.8 oz.(CA), 100% preshrunk cotton Heather colors, Graphite Heather, Safety colors & Neon colors: 50/50 cotton/polyester Sport Grey : 90/10 cotton/polyester Ash Grey: 99/1 cotton/polyester Safety Green: Compliant with ANSI / ISEA 107 Classic fit 3/4" double-needle topstitched collar Taped neck and shoulders Double-needle sleeve and bottom hems Grey pearlized tear away label CPSIA Tracking Label Compliant