Nix is an excellent road cycling shoe for those looking for the perfect combination of speed and warmth. These shoes have been designed and carefully crafted for cyclists around the world to enhance the cold weather road cycling experience. The high-tech Gore-Tex PFC-free and fleece upper construction provides a sleek and aerodynamic profile, while the stiffness 9 of the sole ensures optimal power transfer with every pedal stroke. The Rotor closure system made of Dyneema ensures a quick and perfect closure and makes the Nix the right choice.