5.3-ounce, 100% cotton,99/1 cotton/polyester (Ash),90/10 cotton/polyester (Sport Grey),50/50 cotton/polyester (Heather Navy, Heather Red, Heather, Sapphire, Safety Green, Safety Orange, Graphite Heather, Safety Pink, Dark Heather),Non-dyed fabric with visible specks of fibers and cotton seeds (Natural),Non-topstitched, classic width, rib collar,Taped neck and shoulders,Recycled, high-performing black tear-away label,Classic fit, seamless body,Safety Green is compliant with ANSI/ISEA 107 high-visibility standards for background color.