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; 1x1 ribbed, lay-slat collar; Self-fabric neck tape for comfort; Clean Canvas Technology for superior printability; 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); Eve