Time Trails, the race of truth, where small margins and fractions of a second can separate winners and losers. Whether you're aiming for the win or reaching for a personal best, the RaceAero TT Raceday Lycra Shoe Covers offer enhanced aerodynamic efficiency. The stretch fit gives a smooth profile over the straps and buckles of your cycling shoes, lessening turbulent airflow leading to a reduction in drag. Use these covers for those special occasions where marginal gains make all the difference.