Body: 100% Cotton , Sleeve: 90% Cotton 10% Rayon Screen printed graphics Long sleeve shirt, Tagless collar Boys youth sizing: X-Small (6-7), Small (8), Medium (10-12), Large (14-16), X-Large (18-20) Officially licensed NCAA product Represent your favorite team in this NCAA Boys Varsity Block Raglan Long Sleeve T-Shirt. Great way to show your team spirit. Boys youth sizing: X-Small (6-7), Small (8), Medium (10-12), Large (14-16), X-Large (18-20)