Pearl Izumi F.I.T. 1:1 Insole System 36-37Pearl Izumi F.I.T. 1:1 Insole System. The only system with left and right foot independent two zone tunability. Total Tune System with arch support adjustment and Varus alignment for optimized pedaling path efficiency. Fully customizable, cycling-specific
system allows for tuning of arch support and metatarsal cant adjustments for neutral, 1.5mm and 3.0mm. By addressing all these variables, you can achieve optimized pedaling efficiency, fit, support and increased endurance comfort.703051754044
