Solid Colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 50% Cotton, 50% Polyester; OR: 65% Polyester, 35% Cotton; OR: 60% Cotton, 40% Polyester Imported Columbia University Apparel design. Fan favorite Columbia University merch that is a great addition to any Columbia fans collection. Be excited to be seen supporting Columbia University around town or at the big game! This Columbia apparel has a high quality digitally printed graphic perfect for any Columbia University student or grad that loves a classic design. Each piece is officially licensed by Columbia University. Lightweight, Classic fit, Double-needle sleeve and bottom hem