Product description
Castelli 6 Fast Feet castles, the aerodynamic accessory par excellence, to cover shoes and calves, reducing friction.
- For athletes always looking for maximum performance.
- The wind gallery tests showed a saving of 6 watts at 45 km/hour compared to a normal sock.
- The stretch fabric covered in silicone that covers the shoe facilitates the air flow.
- Lycra® with grooves on the ankle part designed to encourage the outflow of air.
- Polyurethane tape in the back in the back to keep the cover in place.
- Ykk® zipper.
- Colour: Black.
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