Rubber sole CONVENIENCE: Smooth neck design prevents chafing when wearing our water shoes. It is convenient to wear and take off and carry out. After using,you can fold it easily. COMFORTABLE & QUICK DRY :Breathable Ultra Light fabrics with fine stretch on uppers, flexible and comfortable.The surface of water shoe is a quick-dry material using the rapid permeable drying technology, which is suitable for wearing in alternate wet-dry conditions. SAFETY: The soles are made of KPU materials with excellent air permeability and non-slip resistance. It can protect your feet from sharp objects. Even on hot beaches, it protects your feet well. OCCASION: Perfect for beach games, swimming, water park, surfing, pool, sailing, boating, kayaking, beach volleyball, fishing, walking, car-washing, vacation,Pilates and yoga etc. Especially for family outings! A NICE FRIEND:VIFUUR barefoot shoes could be doubled as house slippers in the summertime. Anywhere you might be tempted to go barefoot like yard and garden, you can get sufficient protection to protect your feet as well as enjoy barefoot comfort with them.