Wilson AVP Game Volleyball 18-panel, hand-sewn expert construction and craftsmanship enables deep groves for better hand control and wind resistance Premium microfiber composite leather provides greater resistance to dirt and less moisture absorbency to maintain proper weight and feel New superior graphics for improved ball spin detection & contemporary design Performance Elastomer Bladder engages a likable responsiveness promoting control and power plays Overall construction provides strong durability and shape retention giving the player continuous reliability