4.5 oz., pre-shrunk 100% ringspun cotton, 30 singles; Ash is 99/1, Light Steel is 90/10; Made with sustainably sourced USA grown cotton; Self-fabric neck tape for comfort; Double-needle sleeves and bottom hem; Clean Canvas Technology for superior printability; CPSIA tracking label compliant; Tag-free neck label transitioning to tear-away label. INVENTORY MAY BE MIXED; “A” list status from CDP (Carbon Disclosure Project); Energy Star Partner of the Year (12 consecutive years); Every piece of Hane