SIZE CHART: 34-35: shoe length 22.5cm, inner length 21.5cm, suitable for foot length 21.5cm; 36-37:shoe length 23.5cm, inner length 22.5cm, suitable for foot length 22.5cm; 38-39:shoe length 24.5cm, inner length 23.5cm, suitable for foot length 23.5cm; 40-41:shoe length 25.5cm, inner length 24.5cm, suitable for foot length 24.5cm; 42-43:shoe length 26.5cm, inner length 25.5cm, suitable for foot length 25.5cm; 44-45:shoe length 27.5cm, inner length 26.5cm, suitable for foot length 26.5cm; 46-47:shoe length 28.5cm, inner length 27.5cm, suitable for foot length 27.5cm; 48-49: shoe length 29.5cm, inner length 28.5cm, suitable for foot length 28.5cm; 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.