EVOLUTION BASKETBALL The Wilson Evolution basketball delivers a fantastic blend of touch and durability and is an indoor, size 7 option. With laid-in channels, exclusive composite leather and an Advanced Micro Fibre Game ball cover, this indoor basketball provides top levels of grip and softness. It will retain air pressure well too for reliable and enjoyable play and practice. Offers the ultimate blend of resilience and touch Size: 7 (75-76cm) Type: Indoor Laid-in channels Ensures great grip and softness Cover: 100% composite Advanced Micro Fibre Game ball cover Cushion Core Carcass Wilson exclusive composite leather