Ultimate aero accessory to cover shoes and calves for reduced drag.

• For athletes searching for that last bit of performance gain
• Wind tunnel tests showed up to a 6-watt savings at 45 km/h compared to a normal sock
• Silicone-coated stretch fabric over the shoe smooths out airflow
• Engineered grooved Lycra® on ankle portion helps detach airflow
• Flat polyurethane tape at top to keep shoecover in place
• YKK® zipper