CastelliFast Feet 3 Sock - Cycling socks

On the winding roads of a morning bike ride, every detail matters. What if a simple pair of socks could make the difference? The Fast Feet 3 from Castelli are not ordinary socks: they turn your feet into true aerodynamic turbines. Designed after hours of dynamic testing, these socks optimize every pedal stroke to save you those precious 2 Watts at 50 km/h. Yes, it brings a smile, but it's real!

What sets the Fast Feet 3 apart is the redesigned upper band for optimal comfort and additional aerodynamic gain. No compromises: every fiber, every seam is designed to keep your foot in an ideal position, even during the most intense adventures. Testing on real cyclists, not static mannequins, reflects Castelli's commitment to offering a high-performance and reliable product.

For those who want to combine performance and passion, the Fast Feet 3 are a wise choice. With them, every ride becomes an opportunity to reach new heights, both literally and metaphorically. So, ready to pedal up your performance?

• Fast Feet Project by Castelli — for warm weather cycling

• Foot part based on the Castelli Rosso Corsa Sock to ensure comfort in the shoe

• Polyurethane band at the top to keep the sock in place

• Leg part made of specially grooved Lycra® to reduce air resistance

• Temperature: 10°C - 38°C

• Weight: 48 g