Comfortable Fabric: 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. Thick Soles: 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. 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! 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.