Specialized Aero Shoelace Sleeve Every Watt Counts When every watt is critical, whether you're riding or racing, the incremental gains from an aerodynamic advantage can never be overlooked. The Specialized Aero Shoelace Sleeve is an important part of achieving your aero goals. This unassuming-looking sleeve provides major gains for the aerodynamics of your footwear, especially lace-up shoes. The slip-on shoelace sleeve slides easily over your favorite pair of road shoes, and features a textured woven fabric-which is specifically-designed to optimize that pesky aerodynamic drag. The lightweight design won't weigh you down as you slice through the wind, and the sleeve is available in two sizes to perfectly fit the shoes of nearly any rider. Features Textured woven aero fabric is specifically-designed for reduced aerodynamic resistance Slip-on design for an easy, lightweight option to save watts Available in two sizes to accommodate all riders | Specialized | Aero Shoelace Sleeve Men's | Size Small/medium In Black