A classic look and state of the art technologies for tennis players. The 8th edition of the award-winning GEL-CHALLENGER series combines a classic look with state of the art technologies for tennis players. The Rearfoot and Forefoot GEL provide excellent cushioning and absorb impact shock. The DuoMax System in the midsole provides lateral stability while the T-Truss, an extended Trusstic, offers additional support in the heel, especially for the jumping forehand stroke. The GEL-CHALLENGER 8 OC features an outsole optimised for grip on Omnicourts.