The Nike Academy Team soccer ball features AerowSculpt technology for a consistent flight trajectory so you can be confident in its performance match after match. Vivid contrast graphics allow for effortless ball tracking as it soars down the pitch. - AerowSculpt technology with moulded grooves for improved flight stability - Grooved for reliable spin during flight - Textured surface for enhanced touch - Bold graphics makes it easy to keep sight of your soccer ball Standard Ball Sizing Size 5: Ages 12 and up Size 4: Ages 8-12