Ponte De Roma Knit Fabric(Upper) & anti-slip Thermoplastic Rubber (TPR sole) Thermoplastic Elastomers sole CONVENIENCE - Smooth neck design prevents chafing when wearing our water shoes. It is convenient to wear and take off. COMFORTABLE - Elastic fabric 92% polyester, 8% spandex, rubber sole, breathable and smooth fabrics with fine stretch on uppers. Like socks, flexible and comfortable. VARIOUS SIZE AVAILABLE: Some are designing multiple versions to fit different feet. Men and women size are available. Enjoy the cute and cool water shoes! OCCASION - Yoga Training, beach, swimming, pool, weight training, wake-boarding, sailing, boating, kayaking, windsurfing, cycling, jogging, walking, fishing, beach volleyball, gardening, lawn, car-washing and driving. Family outings! SAFETY - The soles are made of TPR materials with excellent breathability and non-slip resistance, and it's commonly used to make sports shoes. It can protect your feet from hot beach.