The Yonex Aerus X2 is one of the lightest Yonex shoes. The low weight combined with excellent ventilation and a secure fit makes it ideal for the fast and complex movements typical of indoor sports such as squash and badminton. POWER CUSHION - The Power Cushion system effectively absorbs impact energy generated as a result of landing on the court and transfers it to the next movement, the take-off. Compared to traditional urethane, Power Cushion delivers three times more energy.DOUBLE RASCHEL MESH - A special thin, lightweight, and durable mesh that provides eight times greater air exchange and moisture wicking.DURABLE SKIN LIGHT - Combining rubber-like flexibility with the stiffness of a hard shell, the polyurethane-based Durable Skin Light allows you to play lightly on your feet while maintaining a secure and comfortable fit.TOE ASSIST SHAPE - The system provides additional support for the big toe, as well as the metatarsal and heel. Prevents the foot from shifting during sudden foot movements and changes of direction.HEXAGRIP SOLE- For agile and stable footwork, the hexagrip pattern provides 3% more grip and is 20% lighter than standard sole material.ROUND SOLE - The Round Sole ensures quick and light footwork on the court and guarantees maximum energy transfer per movement.RADIAL BLADE SOLE - Designed for confident changes of direction. New sole pattern enhances traction in vertical, horizontal, and diagonal movements.