The new and improved Sprinter is the Sprinter II. This imaginative tee is both fun and functional. Wear it to the gym or out with friends.. . Fabric: MOSOtech 160gsm, 52% organic cotton / 43% viscose from bamboo / 5% lycra. Fitted. 25 in. length. Fine nylon mesh insets at sleeves and center back. shirt tail hem. Moisture wicking. Anti-odor. Superior breathability. Incredible comfort. Natural UPF 50+ protection. Imported.