This racing shoe is made of microfiber material and D-Stone™ material with high-grip TPU inserts. Practicality and safety are guaranteed by replaceable magnesium sliders, protective nylon on the shell, heel and toes, as well as the exclusive TPU D-Axial system, which prevents the foot from twisting. A true champion of lightness and performance, this boot features an internal lacing strap, quick release and air channel system, magnesium inserts on the outside and heel, and flexible ankles to increase comfort while cycling. Safety and confidence for maximum performance on any track.