THE ASICS Solution Speed FF combines an elegant design with the latest technologies to provide the best protection for ankle, foot and knee joints. The twisstrust ® system stabilizes the middle of the foot by allowing full movement, and the new FlytheFoam ® technology provides a lightweight and maximum depreciation! Flytefoam ® Technology estimates that the interior material is 55% lighter, as for standard tennis shoes. It consists of organic fibres adapting during load but takes the starting position after load. Flytefoam ® midsole - more upholstery, less weight! The interior material is 55% lighter, as for standard tennis shoes. THE outer sole of THE AAR ® outsole - footwear is composed of a material that is high-wear rubber. This helps to reduce wear in intensive contact areas of the outer sole. Twisstrust System ® - stabilizes the middle of the foot. The heel-and-toe GEL ® amortization system - reduces the impact of the impact of the impact on the front and back of the foot, allowing the foot to move in all directions, providing ergonomic movements. Pguard ® Technology - provides foot-finger protection and footwear strength in the toe area. For the top of the flexionfit ® footwear, provide the flexibility of the footwear during foot movement, allowing the foot to reach the full range of motion. You can remove the footwear zolite to adjust the space for orthosis if necessary. Elegant design