adidas Performance 2015 Top Training NFHS Soccer Ball Part of the MLS Soccer collection, the design is inspired by the three MLS pillars of club, country, and community Thermally bonded seamless surface technology, TSBE, for a more predictable trajectory, better touch and lower water uptake Balls pass FIFA tests on circumference, weight, rebound and water absorption NFHS certified ball High quality in combination with exceptional durability make this ball outstanding Size 3 ball suggested for ages 8 and under; size 4 ball suggested for ages 8-12; size 5 ball (official size) suggested for ages 12+. Check with your local league for size requirements. Ball ships deflated. Inflation is required. Pump not included.