92% polyester+8% spandex Upper and Rubber sole 1. Safety: Anti-slip sole made of high quality material, light and durable. Thickened sole and breathable insoles with shock absorption performance, protect your feet from stepping on rock and stone. 2. Convenience: Quick-dry water shoes, smooth neck design of aqua socks prevents chafing when wearing our water shoes. It is convenient to wear and take off. Lightweight and compressible for easy packing. 3. Comfortable Feeling: The water sport swim shoes are ultra lightweight style and more breathable. Upper with stretch fabric for fast draining and cross ventilation, give excellent flexible and comfortable. 4. Occasions: The water barefoot shoes for men women. Perfect for beach, swimming, surf, pool, sailing, boating, yoga, cycling, jogging, walking, fishing, car-washing, and driving. 5. Various size and color available: Size of Swim Shoes for Women and Men.( For the length, Please Refer to Product Description). There are a variety of colorful styles to choose.