Your energy is precious, never waste it. That's why our shoes are designed with BioMap technology. Northwave soles, uppers and all their components are anatomically compatible with every cyclist's feet and are designed to keep the foot in the right position while pedaling, transmitting power directly to the pedals without wasting any energy. With maximum stiffness, minimal thickness and truly unrivaled lightness, this is the sole of choice for the best athletes. The evolution of the Airflow System offers added ventilation. it weighs just 60 g.With its unique sole, Extreme is the only shoe that's compatible with all the top pedals on the market, including SpeedPlay. Thanks to the exclusive NW SpeedPlay Adaptor kit you can now fit Speedplay pedals in direct contact with the sole which reduces the distance between the foot and pedal, and optimizes performance and the roundness of the pedal stroke. Without wasting any energy. Made with innovative, ultralight and comfortable materials. We minimized the stitching. Ultralight, anallergic and antibacterial, it keeps your feet amazingly fresh with numerous vents that correspond with the vents on the sole.