Giro ULTRALIGHT AERO Shoe Cover When the road gets wet and slippery, you should be prepared and hopefully have the Ultralight Aero Shoe Cover that gives your feet plenty of freedom of movement to get the last seconds when it comes to your cycling shoes, a little protection can make a lot. The Ultralight Aero Shoe Cover cuts through biting weather and helps you get the last seconds out of your run, not least thanks to the fitted Lycra design for optimal aerodynamics. Features: premium elastane upper reinforced sole super stretch neoprene material: 60% polyester 25% polyurethane 10% cotton 5% elastane Sizes: S 36 – 39 M 40 – 42 L 43 – 45 XL 46 – 50