Description
The SIDI Nix S GTX Cycling Boot in Anthracite/Ice White (Size 45) is a premium winter road cycling shoe designed for cold weather performance. Its upper is made with Gore-Tex PFC-free material and fleece for a sleek, aerodynamic profile and reliable waterproofing. The shoe features a Gore-Tex EPE membrane for eco-friendly weather resistance and optimized thermal regulation.
The closure system combines NUUN 001C aluminum dials and Velcro for precise, micro-adjustable fit and easy adjustment, even when the lever is closed. Firmor surround technology stabilizes the ankle and foot, while the reinforced toe offers protection on rough terrain. The wrapper closing system ensures a secure and streamlined fit.
The R2CC composite sole has a stiffness rating of 9, providing efficient power transfer and durability. This unisex shoe uses a 3-bolt cleat pattern and follows the Millennium fit standard.
- Premium winter road cycling shoe designed for speed and warmth in cold weather conditions.
- High-tech Gore-Tex PFC free upper with fleece ensures a sleek, aerodynamic profile and weather resistance.
- R2CC composite sole with stiffness level 9 provides optimal power transfer for efficient pedaling.
- NUUN 001C aluminum dials offer micro-adjustable fit and high-torque tightening with minimal bulk.
- Firmor surround technology stabilizes the ankle and foot for a personalized, secure fit during rides.





