4.5 oz., 60% recycled polyester, 30% grown ringspun cotton, 10% rayon; Recycled polyester from plastic water bottles; Made with sustainably sourced USA grown cotton; 40+ UPF Rating; Modern fit; Set-in ribbed collar; Self-fabric neck tape for comfort; Clean Canvas Technology for superior printability; Tear-away label; "A-" list status from CDP (Carbon Disclosure Project); Energy Star Partner of the Year (14 consecutive years); Every piece of Hanes apparel purchased from our company qualifies for Hanes4Education