Advantage, you. With the addition of the responsive FlyteFoam® Midsole Technology and Twisstruss system, the Solution Speed FF boasts the lightest weight in the tennis shoe category, making it an aggressive competitor that's always up for a match. Heel-to-toe GEL® cushioning offers maximum comfort and shock absorption for those quick cross-court hustles while the Flexion Fit® Upper secures your foot without restricting movement This LE version features an iridescent upper.