The Sidi Nubes Road shoe is designed for cyclists seeking a blend of speed and warmth during cold weather rides. It features a high-tech upper construction for a sleek, aerodynamic profile and a stiffness 7 sole for optimal power transfer with each pedal stroke. The shoe includes a waterproof membrane and a carbon-reinforced sole, offering both performance and protection against the elements. Additionally, it has reflective inserts for safer night cycling, a reinforced toe for durability, and a quicklace closure system for a secure fit. Thermal regulation membrane YKK Zip closure system Quicklace closure Reflective inserts R2CC sole