Battle from the baseline in the ASICS GEL-Challenger 15! This stable tennis shoe helps players cover the court. Stay secure during volleys or tracking down deep lobs in the synthetic leather upper. WINGWALL� technology in the sidewalls add stability for side-to-side movements. For players who want to step into their shot and stroke the ball with more pace, the ASICS GEL-Challenger 15 supports your game! What's New? Upgraded synthetic leather upper provides a softer and more comfortable fit. Revised WINGWALL� in the midsole improves stability for lateral movements. Full-length outsole and heel groove increase ground contact for maximum grip on any surface. Who's it for? Tennis players looking for a stable shoe to support lateral movements on the court. Baseline grinders who need a supportive tennis shoe to boost confidence with every move. Shoe Technology Upper: Soft and supportive upper features a thick collar for a comfortable wrap around your foot. PGUARD� toe protector adds durability in high-wear areas. OrthoLite� sockliner provides step-in comfort. The sockliner features a solution dyeing process that reduces water usage and carbon emissions. Midsole: Rearfoot GEL� technology absorbs shock for a softer feeling at footstrike. WINGWALL� technology improves lateral stability. Outsole: AHARPLUS� rubber improves durability in the heel. Separated heel construction to provide support during abrupt landings.