5 oz./yd², 100% pre-shrunk cotton. Self-fabric neck tape for comfort. Double-needle sleeves and bottom hem. Light Steel is 90/10 cotton/polyester. Safety colors are 60/40 cotton/polyester. Set-in 1x1 ribbed crewneck. Ash is 99/1 cotton/polyester. Charcoal Heather & Oxford Grey are 50/50 cotton/polyester. Classic fit. Quarter turned body. Transitioning to tear away label.