The fastest model in the ASICS tennis range, our SOLUTION SPEED FF 2 shoe is all about helping players expand their territory on the court. Combining better stability and a more flexible fit, this shoe is a recommended choice for athletes that are looking for quicker accelerations to be ahead of the ball. DYNAWRAP Technology Enables better midfoot stability by keeping the foot centered on the shoe's platform. FLYTEFOAM Technology Provides lightweight cushioning. FLYTEFOAM Propel Technology ASICS energetic foam formulation that provides supreme bounce thanks to a unique elastomer compound. TWISTRUSS™ Technology Improves quickness,stability and cutting motions. ASICSGRIP Technology ASICS proprietary outsole rubber provides high grip on various terrain, without compromising durability. Rearfoot GEL technology cushioning system Attenuates shock during impact phase and allows for a smooth transition to midstance. AHAR Outsole Acronym for ASICS High Abrasion Rubber. Placed in critical areas of the outsole for exceptional durability. Solution Dye Sockliner Sockliner is produced with a solution dyeing process that reduces water usage and carbon emissions NWOT