100% SyntheticRubber soleRecommended 1: CONVENIENCE Smooth neck design prevents chafing when wearing our water shoes. It is convenient to wear and take off.Recommended 2: COMFORTABLE FIT Breathable and smooth fabrics with fine stretch on uppers. Like socks, flexible and comfortable.Recommended 3: RUBBER OUTSOLE & FOOT SAFETY Wearable and topquality rubber sole, which protects your feet from being hurt by sharp objects.Recommended 4: OCCASION Yoga Training, beach, swimming, pool, weight training, wakeboarding, sailing, boating, kayaking, windsurfing, cycling, jogging, walking, fishing, beach volleyball, gardening, lawn, carwashing and driving. Family outingsTipsVARIOUS SIZE AVAILABLE fit different feet,little kids, big kids,men,women are available.