Shimano S-Phyre Flash aero shoe covers compliant with UCI designed to gain precious seconds in time trials. 

• The elastic aerodynamic fabric on the legs features vertical grooves that reduce air resistance.
  
• Perfect compatibility with RC shoes and other road footwear to eliminate gaps, irregularities, and wrinkles from the calf to the foot neck.
  
• The 48% recycled polyester stretch fabric coated in PU ensures a smooth and aerodynamic surface all over the foot.
  
• The hook-and-loop closures ensure a snug fit and make it easy to slip off the gloves.
  
• The original open design at the heel promotes natural heel movement and highlights the elegant S-PHYRE RC9 heel cup.
  
• The silicone anti-slip print keeps the calf in place.
  
• Cuff height compliant with UCI regulations. (Note: The actual cuff height may vary depending on the cyclist.).
  
• MATERIAL: 74% Polyester, 26% Elastane.
• Color: Black.