8 oz., 50/50 U.S. Cotton/polyester blend Made with finer yarns and new MVS Air spinning technology, that improves the fabric by reducing pilling, enhancing durability and creating a smoother printing surface. 1x1 rib with spandex for enhanced stretch and recovery Classic fit, seamless body High-performing black recycled tear-away label CPSIA Tracking Label Compliant Proud member of the U.S. Cotton Trust Protocol Certified by Cotton USA Made with OEKO-TEX certified low-impact dyes