The GEL-RESOLUTION® X NIGHT ENERGY tennis shoe creates advanced comfort for players who like to control the game from the baseline. It´s rendered with a primarily black color palette that´s offset with prism blue accents for contrast.DYNALACING™ technology has been strategically designed to hold when extra support is needed. This allows you to experience a locked-in feel when you´re making quick transitions. There´s also a two-piece midsole design that helps improve stability when your foot lands on the court. DYNAWALL™ technology in the midsole now extends into the heel for added stability during lateral movements. It´s a functional feature that´s effective when you´re running covering both sides of the baseline. Features:- PGuard® technology: Helps increase durability in the upper´s forefoot inside area- DYNAWALL™ technology: Helps improve stability- DYNALACING™ technology: Helps create a stable fit during dynamic movements- AHARPLUS™ outsole rubber: ASICS´ pinnacle high abrasion resistant rubber located in the heel area that is approximately three times more durable than standard outsole rubbers.- Forefoot GEL® technology: Shock-attenuating material placed in the midsole of the shoe for cushioning and shock absorption.- FF BLAST PLUS™ Midsole Foam (in the heel): Helps produce more comfortable and stable landings