Castelli Fast Legs arm warmers

Unleash your speed with Castelli Fast Legs Aero Sleeves. Wind-tunnel tested, these calf sleeves are engineered to minimize drag and provide measurable free speed by optimizing airflow over your lower legs. Experience a second-skin fit with light compression for muscle support and a smooth, wrinkle-free surface that maximizes aero gains. Integrated silicone grippers ensure a secure, non-slip hold during intense efforts. Complete your aero kit and gain an edge in time trials and sprints. Available for custom team design