Castelli Fast Feet 4 Sock Variant:Castelli Sock Fast Feet 4 Black - L/XL Bits and Sockets Set

Bits and Sockets Set

Accents: orange

Two widths with improved foot suitability across different shapes and types: standard and wide

Made in nylon glass fibre reinforced

Pressure reducing surface

Castelli Fast Feet 4 Sock Variant:Castelli Sock Fast Feet 4 Black - L/XL Bits and Sockets SetFor road racing or when you can't wear a Fast Feet TT Shoecover, this sock saves watts. PRODUCT FEATURES Castelli's Fast Feet project for maximum aerodynamics Foot portion based on Castelli Rosso Corsa Sock for in shoe comfort Polyurethane grip strip at top to keep sock in place Leg portion constructed with engineered grooved Lycra to help detach airflow TECHNICAL FEATURES Insulation 1 5 Waterproofness 1 5 Windproofness 1 5 Breathability 4 5 Lightness