Lightweight and Portable: Our Men's Cycling Overshoes are designed for convenience.These cycling overshoes can easily be folded and stored in your pockets or bags,Enjoy enhanced insulation and protection while riding without added bulk. Ideal for both casual and serious cyclists.For Bike Races & Time Trials - Designed for slim road-bike shoes (LOOK, SPD-SL, Speedplay), these thin aerodynamic overshoes are made for road cycling shoes only; NOT for MTB shoes or trainers.Aerodynamic Lightweight - Racy Looks, Fast Feeling, High Speed; The 20 cm high shoe cover smooths the airflow over the buckles and dials of your road cycling shoes for full speed.YKK-Zipper - The robust and reliable YKK-zipper at the rear of these lightweight bicycle shoe covers makes it easier to put them on and off over the lifetime of the product.Breathable - The thin and breathable Lycra fabric protects your shoes from dust and dirt during summer time trials or triathlons, whilst allowing your feet to breathe when you cycle.