- Castelli's Fast Feet project – for time trials
- Developed with Team Ineos for the fastest foot covering for time trialling
- Silicone-coated stretch fabric over the shoe smooths out airflow
- Engineered grooved Lycra® in the ankle portion helps detach airflow
- Flat polyurethane tape at the top to keep shoe-cover in place
Why Castelli Custom
Find out why our Servizio Corse Castelli Custom programme is the right choice for your club, team or group.
How it works
Get your custom-manufactured Castelli Kit in just 7 easy steps.
Size guides
Get the perfect performance fit with more size options and expert sizing help.