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Aerodynamic cycling socks designed to reduce drag and improve performance on fast road rides and races. The Castelli Fast Feet 4 features a breathable foot section, secure silicone grip and lightweight construction for comfort and efficiency.
Available in store
CloseShort 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
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
Ideal For
What’s Included
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.