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.