- The new GEL-Challenger 10 provides exceptional comfort with Rearfoot and Forefoot GEL Cushioning Systems. Outstanding stability is achieved via the Lateral Propulsion Trusstic System while the excellent upper fit is addressed with P.H.F in the collar. The new re-designed upper emphasizes midfoot support through the use of an extended Flexion Fit forefoot and synthetic leather midfoot brace for improved stability. A perfect choice for that everyday tennis enthusiast.
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