Castelli Fast Feet Socks - SS19
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Castelli Fast Feet Socks - SS19Castelli Fast Feet Socks - SS20
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Code: CS19032001
Castelli Fast Feet Socks - SS22

Developed with Team Sky, the Fast Feet Socks help reduce drag and so work to maximise power output when racing at high speeds. The socks consist of a two-part design; the lower section is based on their supremely comfortable and airy Rosso Corsa race socks, while the tall upper portion uses close fitting Lycra® with engineered grooves to help detach airflow over the leg and decrease drag. The two parts work together to make these the ultimate choice when you want to maximise comfort and aero performance and gain a winning edge on rivals.


  • Castelli's Fast Feet project – for road riding in warm conditions
  • The sock portion is based on Castelli's Rosso Corsa sock for in-shoe comfort
  • The leg portion is constructed with engineered grooved Lycra® to help detach airflow
  • Weight: 45g

Sizing Information for Castelli Clothing:

Castelli Size Charts

Miss Arechederra Perfect fit
Mr Aeftimoae Amazing, amazing, amazing. The best socks ever. Many thanks again guys.