The upper of these slides is made of durable synthetic pvc material that is easy to clean and maintain. The foam conforms to the shape of your foot helping to alleviate pressure points and reduce fatigue. The footbed is also textured with a subtle pattern which helps to improve grip and prevent your foot from slipping. The Fila BB Slide Unisex Black Slides feature a classic slip-on design which makes them easy to put on and take off.