Elastic upper and rubber sole Features: Dry off quickly / excellent flexible & comfortable like a socks. High Quality Material: Stretch fabric upper,flexible and breathable. Massage decompression soles: Top quality rubber sole ,lightweight and slip resistant, which protects your feet from being hurt by sharp objects. Comfortable & Fit: Adjustable elastic band to make it fit your feet better,make users feel comfortable fit like socks. Multi-Purpose: You can use the shoes in many occasions, such as: water park, water sports,beach, swimming,yoga,dance,driving,indoor game,etc.