Official. Size. Ideal for your practice or pick-up game, the durable versatile all-field football is easy to hold and pass in all weather conditions. Engineered shape for tighter spirals and a better fit in your hand. High-grade composite leather for more tack and an easier catch. Textured laces help improve your grip in all conditions. Size: Official, Grade: High school, Age: 14+; Size: Youth, Grade: Junior high, Age: 12-14; Size: Junior, Grade: Grades 4-5, Age: 9-12; Size: Pee Wee, Grade: Grades K-3, Age: 6-9. Nike. Swoosh. Just do it. nike.com. Made in Vietnam.