S-PHYRE Flash Shoe Cover
Aerodynamic Shoe Covers for Saving Every Second
Make every second count with Shimano’s wind tunnel-tested S-PHYRE Flash Shoe Cover. Utilizing elastic aero fabrics, the shoe covers tightly wrap the shoe and ankle, creating a wrinkle-free fit for maximum aerodynamic efficiency. The no-slip silicone grip fabric holds the shoe covers in place, while the hook-and-loop fasteners provide a secure fit and easy removal.
Features
- Speed Enhancing: Elastic aero fabric from the ankles up features vertical grooves that reduce air resistance
- Seamless Fit: Shoe covers tightly wrap Shimano road shoes, eliminating gaps, unevenness, and wrinkles from the calf to the instep
- Aerodynamic Fabric: PU-coated stretch fabric made with 48% recycled polyester ensures smooth aerodynamic surface across the foot
- Easy On/Off: Hook-and-loop fasteners provide a secure fit and easy removal
- No Slip Grip: Silicon grip fabric holds the calf section of the shoe cover in place without slipping down while pedaling
- UCI Compliant: Cuff height is UCI-compliant (actual cuff height may vary based on rider)
Aero Advantage
Shimano S-PHYRE Flash Shoe Covers are wind tunnel tested to deliver maximum aerodynamic efficiency. The ankle cuffs feature vertical grooves that reduce air resistance while the portion that covers the shoe wraps the foot tightly, ensuring no wasted watts.
Total Control
The S-PHYRE Flash Shoe Covers are quick to put on and easy to remove with hook-and-loop fasteners. They stay securely in place with silicone grip fabric on the calf, ensuring you save every watt possible.

