ASICS Solution Speed FF 2 Clay Women。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. The SOLUTION SPEED™ FF 2 model features a PU (polyurethane) application on the upper that helps generate better support, flexibility, and an improved fit. Implementing DYNAWRAP technology into the eyestay, this application helps provide more stability in the forefoot during side-to-side movements. Additionally, the sockliner is produced with a solution dyeing process that reduces water usage by 33% and carbon emissions by approx. 45%. TWISSTRUSS™ technology in the midsole assists players who are regularly moving from the baseline to the net by improving their cutting motions and quick transitions.