Team Flanders–Baloise Aero Socks – Wind Tunnel Tested & UCI Legal DIRECT FROM THE PRO PELOTON – NO REPLICAS, JUST THE REAL DEAL! Designed for **maximum aerodynamic efficiency**, these **Team Flanders–Baloise Aero Socks** have been **wind-tunnel tested** to help you **save watts and ride faster**. Worn by **pro riders in UCI races**, they meet all competition regulations while delivering **superior comfort and grip**. Grippy Upper: Stays securely in place with no slipping Wind-Tunnel Tested: Proven to reduce drag and optimize performance Soft Lower Section: Provides maximum comfort and breathability UCI Legal: Designed to meet race regulations for professional competition Show your support for Belgian cycling and the toughest riders in the world while gearing up for the Spring Classics! Made by Vermarc, an iconic Belgian brand trusted by the pros. Logos may vary slightly between items due to sponsor changes, but the overall design is almost identical.