Amazon.com The Spalding 64-452 Zi/O Excel is a pure example of everything an indoor/outdoor basketball should be. The official ball of the NBA, it meets all stringent official size and weight specifications. The composite leather construction features the addition of a foam backing under the full ball pebbling to make handling even more precise. The deep channel design is 30 percent deeper for even better grip and dribble control. The ball has an intermediate size of 28.5 inches. Product Description Always be ready for the hustle on the hardwood or concrete with the Spalding NBA Zi/O Excel Basketball. Spalding’s exclusive Zi/O composite cover material is fully pebbled for a solid grip and has a traditional channel design. The tacky feel and foam backing provides you with a good grip during behind the back passes or twisting layups. This basketball ships inflated and game ready out of the box, so you can start hooping in no time. Lay it up, and lay it down, with the Spalding NBA Zi/O Excel Basketball. Brand Story A Division of Russell Brands, LLC, Spalding is the largest basketball equipment supplier in the world, and America's first baseball company. Spalding is the official basketball of the National Basketball Association (NBA) and Women's National Basketball Association (WNBA), the official backboard of the NBA and NCAA, the official baseball of the Little League World Series, the official volleyball of the King of the Beach Volleyball Tour and of the "Pro Beach Series" and the official football of Pop Warner. In addition to being a leading producer and marketer of basketballs, footballs, volleyballs and soccer balls, Spalding produces softballs under the Dudley brand. The SPALDING® and DUDLEY® trademarks are owned by Russell Brands, LLC. Buying Guide spalding basketball size guide There are core sizes for basketballs: Size 5, Size 6 and Size 7.The size you require depends on the age of the player concerned and also the sex of the player.A size 5 basketball, is designed for players up to age 9. The ball has a circumference of 27.75" and weighs approximately 18oz.A size 6 basketball, is designed for players between the ages of 9 to 12. This is also the ball specified for Women. The ball has a circumference of 28.5" and weighs approximately 20oz.A size 7 basketball, is designed for all male players, 13 years and above. The ball has a circumference of 29.5" and weighs 22oz.
- Indoor/outdoor composite leather basketball
- Deep channel design for better dribble control
- Foam backing under the full-ball pebbling for precise ball handling
- Official NBA size and weight
- Intermediate play size 28.5 inches