SIZES: Official size (High School and College ages 14 and up), Youth size (7th – 8th-grade ages 12-14), Junior size (4th – 6th-grade ages 9-12), Pee Wee size (Youngest organized competitive level ages UNIQUE COLOR: Color options in both the traditional brown football but also trendy dark tonal colorways PERFORMANCE & DURABILITY: Composite leather cover offers a soft grip and long-lasting durability STAYS INFLATED: A butyl rubber bladder provides excellent long term air retention to keep your ball from going flat NFL OFFICIAL: Wilson is the official partner of all NFL balls, partnered since 1941, one of the grandest traditions in the sport