, superiorly made for playing both indoor and outdoor. Butyl bladder: Provides the best air retention and a consistent bounce throughout the game. Nylon winding: Quality nylon thread holds for long lasting good shape,correct bounce and durability. Cushioned sponge core: Incredible soft feel and touch around the rim and increased bounce for the ball. Performance composite cover: Enhanced ball grip, consistency and longevity. Deep channels: Unexpected finger grip control.