Castelli Fast Feet TT Shoecover (Black)

Castelli Fast Feet TT Shoecover (Black)


Regular priceRs. 3,999
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Castelli's Fast Feet project: aerodynamic foot coverings for every condition.

The TT shoe cover is designed for maximum aerodynamics in time trialing, within the limits of the UCI rules.

We developed it through CFD analysis followed by extensive fabric and on-bike wind tunnel testing. The smooth silicone-coated foot portion smooths out the shape of the foot, while the grooved leg portion helps detach the air as it flows around the leg. The shoe cover is cut high, reaching to the calf.

There's no reason not to wear it on the road, but its gains are maximized at TT speeds.

  • Castelli's Fast Feet project – for time trials

  • Developed with Team Ineos for the fastest foot covering for time trialing

  • 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

  • 10°-30°C / 50°-86°F

  • Weight:53g


We love happy customers. Our 7-day Easy Returns Policy is a basic structure to support you effectively. If you need any further assistance, just reach out and we're happy to help.

To be eligible for a Return, please make sure of the following
- Products must be unused, unwashed and in re-sellable condition
- Products must be in their original condition with all original tags, manuals, and packaging intact
- Packaging should not be broken, opened or tampered with
- You need to have a receipt or proof of purchase
- All promotional items shipped along with the purchased item must be returned

Once approved, equivalent store credit will be issued which can be used to purchase other products online at

The following product categories cannot be Returned or Exchanged - Bicycles, Trainers, Wheels, Rims, Floor Pumps, Frame sets, Forks/Suspensions, Work Stands, Tool Kits, Car Racks, Triathlon Suits, Socks, Masks, Nutrition items, Bike Cases/Bags and Sunglasses.

Do check our detailed Returns & Exchanges Policy for more information.

Customer Reviews

Based on 1 review

Value for money.. putting this on and taking it off needs some practice.