Short Description
The Castelli Fast Feet 4 Sock is a high-performance aerodynamic cycling sock designed to reduce drag while maintaining comfort in warm conditions. Featuring engineered grooved fabric on the leg section and a breathable foot construction, it is ideal for racing, fast training and performance-focused road riding.
Key Features
- Aerodynamic Design: Engineered grooved Lycra® leg section helps optimise airflow and reduce drag
- Race Performance: Developed as part of Castelli’s Fast Feet aero project for speed-focused riding
- Secure Fit: Silicone grip band keeps the sock firmly in place during hard efforts
- Breathable Comfort: Lightweight foot section promotes airflow and moisture management
- Warm Weather Ready: Designed for racing and training in mild to hot conditions
Product Overview
The Castelli Fast Feet 4 Sock is designed for cyclists looking to maximise efficiency and performance on the road. The distinctive grooved Lycra® upper section is engineered to smooth airflow around the lower leg, helping to reduce aerodynamic drag, while the breathable foot section ensures comfort during intense efforts. These socks are commonly used in racing, time trials and fast training rides where small performance gains matter. Lightweight construction and a secure silicone grip make them a dependable choice for competitive and performance-oriented riders.
Specifications
- Brand: Castelli
- Model: Fast Feet 4 Sock
- Product Type: Aerodynamic cycling socks
- Fit: Race / performance fit
- Material: Polyamide, elastane
- Grip: Silicone leg gripper
- Season: Spring / Summer
- Use: Road cycling, racing, time trials, training
- Gender: Unisex
Ideal For
- Road racing and fast training rides
- Time trials and performance cycling
- Warm weather riding
- Riders looking for aerodynamic performance gains
What’s Included
- 1 × Pair Castelli Fast Feet 4 aero cycling socks
Care & Notes
Machine wash at low temperature and allow to air dry. Avoid high heat to maintain elasticity and fabric performance.
Why Buy From LK Bikes
LK Bikes offers premium cycling apparel and accessories from trusted performance brands, supported by expert advice, reliable service and strong aftersales support.
