The Wilson OPTX AVP ball is a high-end, competitive grade volleyball constructed of a high-quality microfiber composite leather, perfect for athletes looking for one of the best outdoor volleyballs. Featuring the patented VST (visual spin technology) this ball uses color variance to allow spin detection so players can see and react to ball movement easily. This outdoor ball is designed specifically for beach volleyball, allowing it to be held up to the standards of the game and providing the optimal experience for its players. The OPTX is AVP, NCAA and FIVB certified, making it suitable for collegiate level competitive play and for use on the AVP tour.