The SIDI Racing Boots Rex are meticulously engineered for the ultimate performance and safety on the road. Featuring the Techno-3 Push closure system, these boots ensure a secure and customized fit. They come equipped with innovative ankle supports and side ventilation systems for optimal breathability and comfort. The asymmetrically shaped heel cup provides additional support and stability, while the replaceable sliders offer extended durability. Inside, the boots are designed with a nylon insole that includes a removable arch pad, making them adaptable to your foot's needs. Whether you are a professional racer or an avid motorcyclist, the SIDI Racing Boots Rex combine advanced technology and high-quality materials to offer unparalleled protection and performance.