Castelli 4526030-025 Fast Feet 4 Sock - Rosa Giro (S/M)

SKU: LNU-9-46A

Brand:
Castelli

Category:
Bikes / Cycling

Sub-Category:
Equipment & Accessories

The Castelli Fast Feet 4 Sock is a high-performance aerodynamic cycling sock developed using Castelli's Fast Feet Project. Designed and tested in real-world riding conditions, it helps reduce aerodynamic drag while maintaining exceptional comfort. The foot section is based on the proven Rosso Corsa Sock for superior in-shoe comfort, while the grooved Lycra leg section improves airflow and minimizes drag. Ideal for road racing, time trials, and high-speed training.

PHP 2,900.00

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FEATURES

Developed through Castelli's Fast Feet Project for maximum aerodynamic performance
Proven to save approximately 2 watts at 50 km/h
Foot portion based on the Castelli Rosso Corsa Sock for exceptional comfort
Engineered grooved Lycra leg construction helps improve airflow
Polyurethane grip strip at the top keeps the sock securely in place
Lightweight and highly breathable construction
Race Fit for high-performance cycling
Suitable for road racing, time trials, and fast training rides
Recommended temperature range: 10°C–38°C

SPECIFICATIONS

Brand: Castelli
Model: Fast Feet 4 Sock
Model Code: 4526030-025
Color: Rosa Giro
Gender: Unisex
Fit: Race Fit
Sock Height: Aero High Cuff
Grip: Polyurethane Grip Strip
Foot Construction: Rosso Corsa Sock Base
Leg Construction: Engineered Grooved Lycra
Recommended Temperature: 10°C–38°C
Approximate Product Weight: 0.05 kg (50 g)

SIZE CHART

Size EU Shoe Size US Men's US Women's

S/M 36–39 4–7 5.5–8.5
L/XL 40–43 7.5–10.5 9–11.5
XXL 44–47 11–14