Rubber sole ??UPPER: Water shoes upper use quick-drying Spandex fabric. it’s very comfortable and flexible with strong wicking performance, perfect fit to foot. easy slip-on design and a perfect fold-and-go portability ??SOLE: Rubber sole is designed with anti-slip structure and drainage holes. prevent slipping during exercise and sports activities. ??FOOT SAFETY: Flexible thick rubber outsole to protect your feet against anything hard rock or hot ground,Honeycomb structure shoe pad to accelerate drainage. ??MULTIPLE USE: Great for water park, beach, swimming, pool, walking, jogging, fishing, yoga, outdoor sports. ??SATISFACTION GUARANTEED: If you need change the size free of charge or other help, please contact us at any time, we will provide you high quality services with all sincerity!