Breathable Upper: This clip in bike shoes upper is made of Lightweight and high-Strength synthetic material with mesh insert, which offer a light foot feeling and fully breathable. Hard Outsole: The multi-functional Nylon sole is compatible with spd-sl and delta cleats, which is compatible with the pelaton bike shoes. New carbon fiber pattern design sole, nice and sturdy, make your riding more safety. Compatibility: This bike shoes are compatible with pelaton bike pedals. NOTICE: It can also fit for other road bike and other indoor bikes depending on the cleats you have. Perfect for spin class, road riding, touring. Size Suggestion: Please choose right size according to our suggestion in picture (e.g. if your normal size is women 10.5, we recommend choosing a women size 11). Choose your size based on our accurate sizing chart and enjoy a great fit. Does NOT include cleats - use your own. Buy with confidence. Check out our reviews. Also, happy to combine shipping to save you when you buy multiple items.