Product Description: 1 . Material :90% rubber 10% nylon 2 . Color: Black socks, red socks, aqua blue socks, fluorescent green socks, pink, blue 3 . Size :S, M, L, XL, 2XL Product features: This material is very comfortable. It is made of high elastic nylon fabric. With legs, you can run freely on the beach. 2. High quality rubber sole is selected to prevent scratch and puncture. Soft and tough design, anti-slip, increase friction 3 . The elastic and elastic design of the toe is good for wrapping, easy to fall off when wearing, close to the feet, comfortable and safe 4 . Excellent workmanship, using four needle six thread sewing, exquisite workmanship, neat appearance, firm and reliable 5 . Applicable scenarios: beach running, shell digging, river tracing, swimming, diving, indoor sports