Packed with race-focused features, the RC703 utilizes the same S-PHYRE fit technology found in Shimano's pro-level road shoes. Designed to deliver all-day comfort and efficient power transfer, it employs a low stack height midsole and new Power Zone lace guides that reduce weight and increase pedaling stability. The updated RC703 is a race-ready road cycling shoe that’s lightweight, comfortable, and designed to help keep you at the front of the pack Optimal Efficiency: Low stack height midsole, refined instep straps, and new Power Zone lace guides provide stable pedaling platform for enhanced power transfer Breathability: Synthetic leather upper with strategically-placed perforations increases ventilation, keeping you cool and comfortable when the race is on Dialed Fit: Surround wrapping upper accommodates broad range of foot shapes, while dual micro-adjustable BOA L6Z dial enables a personalized fit
