Flagship Racing shoe Evolved Wear Shimano’s new Shimano S-Phyre RC903 Road Shoes and be confident. The Lightweight and breathable microfiber leather upper provides optimal fit and superior comfort when you are striving to perform at your best. Power Transmission Shimano's S-PHYRE range has one goal: to maximize power transmission by delivering more performance per gram. Power transmission is a huge priority with the new S-PHYRE road competition shoe. With that in mind you can be certain that their SH-RC903 S-Phyre Road Shoes embody everything about Shimano’s passion to create the best cycling footwear on the planet and to ultimately deliver the results you want and ignite your performance. Accelerating Performance The external curved heel cup suppresses foot twist and roll and is essential to Anti-Twist Stabilisation. The shoes are built to handle the intense twisting forces caused by explosive acceleration. Foot movement studies and pedalling visualizations and athlete feedback have been used to redesign the shoe’s structure to support more aggressive acceleration. Comfort is Essential The makers of Shimano’s S-Phyre RC903 Road Shoes know that comfort is an essential element to power output, not an afterthought. How a shoe fits and feels defines its performance. Super light. Incredibly fast. Close to the action. The SH-RC903 shoes features a sleek, low profile crossover lacing pattern to gracefully secure the foot as well as the surrounded wrapping upper creates a totally engineered fit for all riders. Shimano have perfected Silvadur silver ion technology to ensure you stay fresh as a daisy all day long. Boa IP2 Micro-Adjustment Dials The unified sole and upper construction set a new level of fit, pedalling stability, rigidity and weight reduction while