6 oz., 100% preshrunk cotton Ash: 99/1 cotton/poly; Light Steel: 90/10 cotton/poly Charcoal Heather, Oxford Gray, Safety Green, Safety Orange: 60/40 cotton/poly Made with sustainably sourced USA grown cotton Tagless 6 oz. styles are transitioning to the Authentic-T Family Inventory may be mixed Set-in 1x1 rib crewneck Self-fabric neck tape for comfort Quarter-turned body Double-needle sleeves and bottom hem Tear-away label "A-" list status from CDP (Carbon Disclosure Project) Energy Star Partner of the Year (14 consecutive years)