High-quality materials: The outer layer of the shoes consists of materials with high protection against chipping and hydrolysis. The anti-collision head protects both feet and is waterproof and breathable at the same time, so that your feet feel good.Comfortable interior: The inner material is made of breathable mesh, is designed for high breathability and very comfortable. It does not strain the feet and protects your feet better.They can also be used as normal sports shoes. Automatic stealth button safety base with a button on the back of the shoe, press on it and open the wheel. Press and hold the button. Then push the wheel into the base plate and release it.Great condition. Please see all pictures carefully, as they’re part of the description. Zoom in if needed to see all details.