The GEL-NETBURNER? 21 (Wide) shoe is fused with advanced technology that enables stability and smooth pivoting on court. The model is designed with synthetic leather panels, a no-sew film reinforcement, a midsole wrap-up in the heel, a forefoot outrigger, and a wide gauge outsole to help provide stability. Additionally, the AHARPLUS? rubber outsole helps provide superior durability. Meanwhile, the shoe also promotes a responsive step with an adaptable fit that moves with the foot's natural motion.