Fast Feet 4 Sock Colour:458 AZZURRO ITALIA The Challenge Back silhouette features
Description
The Challenge Back silhouette features thin straps and a contemporary cutout
High rigidity
lightweight dual-stage hand pump
Strung weight (ounces) : 10
Height adjustable from 39" to 57" (990 mm–1450 mm)
Fast Feet 4 Sock Colour:458 AZZURRO ITALIA The Challenge Back silhouette featuresNew Arrival Spring 2026 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
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
























