Northwave womens evolution plus road shoesthese womens extreme evolution plus road shoes from northwave have carbon light soles made of carbon and fibreglass with a stiffness index of 100 and 4 vents for a constant airflow they are nw speedplay adapter compatible providing the lowest stack height between feet and pedals these shoes feature an integrated heel system that contains directional fibre to prevent any slipping and an slw2 dial which provides step by step and full release in a single