Men's ASICS, GEL-Challenger 13 Tennis Shoe. Hit the courts in this great-looking cushioned tennis shoe style! The Challenger is back again this season with new DYNAWALL technology, improving stability in the midfoot on dynamic lateral movements. Synthetic and open mesh upper for a lightweight design with optimal breathability PGuard Toe Protector offers additional durability and security for toe-draggers DYNAWALL technology adds midfoot stability during lateral movements Solyte Midsole Material further reduces stress on impact, and generates energy return AHAR outsole offers abrasion resistance in critical areas