NBA official basketballs have an ideal grip and feel suitable for both competitive oncourt shooting and handling. The balls are constructed from ultra-tough materials that will stand up to the grittiest of street games. Need a ball specifically for your game? Spalding got it. PLATINUM OUTDOOR Ultra durable outdoor cover, official men’s size 7. Designed to withstand the street game. PLATINUM PRO INDOOR. ZK Microfibre compsite* cover, official size 7. Designed to withstand the street game. PLATINUM EXCEL INDOOR / OUTDOOR. Zi/O composite leather * cover, official size 7. Designed to withstand the street game.