Castelli Fast Legs Sleeves: Your Aero Advantage on the Bike

Speed ​​is a matter of details. The Castelli Fast Legs Sleeves are designed to optimize the aerodynamics of your lower legs and improve your performance during competitions and intense training. Thanks to advanced wind tunnel testing and innovative materials, these compression socks help you generate more speed with less effort .

Aerodynamic Perfection

Every watt counts when you're riding at top speed. Castelli Fast Legs Sleeves are designed with CFD-optimized structures that reduce drag and generate microturbulence for more efficient airflow.

Wind tunnel tested for maximum aerodynamic efficiency

Microturbulence technology reduces resistance and saves 7 to 8 watts

Optimized fit fits perfectly without pinching

Lightweight, Breathable and Comfortable

Aerodynamic gains should not come at the expense of comfort. The ultra-light fabric ensures optimum ventilation and keeps your legs cool, even during long races in warm conditions .

• Breathable materials for a fresh and dry feeling
• Gentle compression for muscle support without constriction
• Internal silicone grip prevents slipping and keeps the sleeves perfectly in place

Powerful Muscle Support

In addition to aerodynamic benefits, the Fast Legs Sleeves provide subtle, 360-degree compression that promotes blood circulation and reduces muscle vibration . This helps reduce fatigue and keeps your legs fresh, no matter the distance.

• Targeted compression for optimal muscle support.
• Reduces the risk of cramps and fatigue
• Ideal for both cyclists and triathletes

Why Choose Castelli Fast Legs Sleeves?

• Proven aerodynamic gains, tested in the wind tunnel
• Lightweight and breathable for top performance in warm conditions
• Compression and stability for less fatigue and better performance
• Perfect racing fit with a silicone grip for a stable fit.

If speed and efficiency are as important to you as strength and endurance, the Castelli Fast Legs Sleeves are the ultimate addition to your race gear. Push your limits and maximize your performance on the bike.