Pull On closure Recommended 1: 92% polyester, Breathable and smooth fabrics with fine stretch on uppers. Like socks, flexible and comfortable.Lightweight and compressible, easy to carry when you go out. Recommended 2: RUBBER OUTSOLE & FOOT SAFETY — Wearable and top-quality rubber sole, which protects your feet from being hurt by sharp objects.Even on hot beaches, it protects your feet well. Recommended 3: OCCASION: Beach, yoga, swimming, pool, weight training, wake-boarding, sailing, boating, kayaking, windsurfing, cycling, jogging, walking, fishing, beach volleyball, gardening, lawn, car-washing and driving. Especially for family outings! Recommended 4: VARIOUS SIZE AVAILABLE AND PATTERNS — fit different feet,little kids, big kids,men,women are available. Customer Serivce: We promise you will get the high-quality products and servicfrom SIMARI. If you have any problems with the water shoes you bought, please send the email to us for anytime.