ASICS GEL-Challenger 12 Men's Tennis Shoes White/Classics Red : The Asics GEL-ChallengerA(R) 12 is the perfect tennis shoe for the everyday tennis player who wants the best of both style and performance when they take to the court. Players will appreciate the Rearfoot and Forefoot GELA(R) Cushioning systems that provide impact resistance for hours of practice or match play. The Flexion FitA(R) upper provides optimal stability as it wraps around the midfoot. What's New? Fresh updates to the look of this edition offer a new take on an old favorite. Shoe Technology Upper: Flexion Fit(TM) provides form-fitting comfort without sacrificing support. Synthetic leather provides lightweight support while mesh offers breathable flexibility. PGUARDA(R) Toe Protector offers protection in high wear area. Padded tongue and heel collar enhance comfort. Lace-up front offers an adjustable fit. Midsole: Rearfoot and forefoot GELA(R) cushioning systems attenuate shock for added comfort. SolyteA(R) compound is lighter weight than ASICS' standard EVA and SPeVA(TM). Trusstic SystemA(R) reduces the weight of the sole unit while retaining the structural integrity of the shoe. Removable sockliner for added comfort. Outsole: AHARA(R)+ blown rubber outsole delivers enhanced cushioning and durability. Non-marking.