The Shimano SH-RC5 shoes (SH-RC500) are high-performance road bike shoes for the middle distance, where the weight is also right. The enclosing upper shoe and the combined upper material ensure an extremely comfortable fit. Thanks to the stabilizing midsole and the carbon fiber reinforced outsole, there is always efficient power transmission. Specifications: Application: Road Pedal system: 3-hole (SPD-SL / Look) Closure: twist lock, Velcro fastener Sole stiffness value: 8 (on a scale from 1 to 12) In order to find the ergonomically correct position of the feet on the pedals, we recommend the Cleat Tool from Ergon so that the longitudinal orientation, support width (Q factor) and foot angle are optimally adjusted to you. Features: - enclosing, little overlapping upper shoe with glove-like fit - flat midsole that stabilizes the foot and ensures maximum power transmission and efficiency - Integrated sole-upper-shoe construction provides incomparable fit, stability and stiffness with extremely low weight - Combined upper material made of mesh / TPU / synthetic leather (lighter, stronger and more durable than real leather) for a comfortable fit and optimized breathability - light, carbon fiber reinforced nylon sole for good power transmission - Wider cleat adjustment: wider cleat adjustment, expands the area for plate attachment - ideal in combination with the PD-R7000 pedal Material identification: Upper material: other (synthetic leather) Lining and insole: textile (mesh) Sole: other (carbon) Technologies: Shimano Dynalast Shimano Dynalast is a sole construction with less toe elevation that promotes a smoother, more energy-efficient upward movement when pedaling. The benefits are higher performance, less fatigue and more comfort for every type of driver. In addition, Shimano Dynalast is characterized by a lighter and thinner sole structure and a larger cleat adjustment range. BOA BOA locks offer fine adjustment to the millimeter for a perfect fit. Lightning-fast, one-handed adjustment, secure lock and quick release. Repel mud and water and are extremely light. Size advice: These Shimano shoes are smaller than the size one might expect. It is best to order one size larger than usual.