rubber Anti-slip wear-resisting sole sole QUICK DRY WITH DRAINAGE HOLES: Unique and top-quality sole with seven holes on each bottom to ensure proper water flow out of them? which creates a cooler and healthier shoe environment, quick-dry, super comfortable during water sports. FOOT SAFETY: The rubber soles, with a really comfortable and thick foam arch-support insert inside of them, are flexible yet thick enough to protect your feet from stepping on rock and stone.Breathable and smooth fabrics with fine stretch on uppers, flexible and comfortable. Smooth designed neck prevents chafing when wearing our water shoes. EXERCISE OF FOOT MUSCLE: By using foot muscle almost same as barefoot walking, exercise of foot muscle and finger pressure effect for sole are available. SHOE SOLE DESIGN:Sole is made of high quality rubber. Adopt the most fashionable design, make your whole pair of shoes be more eye-catching and fashionable. Possess one pair of this shoes can make you more different and fashionable with individual character. OCCASION: Necessities in water park, surfing, beach volleyball, pilates, weight training, wake-boarding, sailing, parasailing, boating, kayaking, windsurfing, cycling jogging, walking, fishing, garden, lawn, car-washing and driving and yoga.