The FX400 is designed for practice use. Its rubber cover is hard sewn and features premium laces meaning this ball does not feel like a rubber ball.Features: * Deluxe sewn rubber cover * Synthetic leather laces * Nylon-wound bladder * Official size * Baden-engineered shape with ???spiral zone??TM radius * Proprietary waterproof reinforced liner * Rigid Seams with Trigger edge for higher-RPM spirals * Excellent wet weather ball