STRETCHY MATERIALS: The smooth fabrics with fine stretch on the upper are easy to put on and take off. It is lightweight and feels like you are only wearing socks, but thick enough to protect your feet. DURABLE SOLE: The new updated sole has good wear resistance and abrasion resistance. The convex dots on the sole improve the anti-skid ability, providing strong friction when walking. FLEXIBLE WEAR AND LOOP: Our swim shoes are easy to wear, whether you are going to the river, sea, lake, and ocean to play, you can take our swim shoes with you. SPECIAL FEATURES: These water shoes go like regular shoes with multiple holes on each bottom to ensure water drains out of them. The holes would not be large enough to let sand or rocks in. OCCASION: The water shoes are perfect for beach, diving, hiking, snorkeling, swimming, pool, running, shower, strength training, boating and sailing, parasailing, kayaking, yoga, dancing, windsurfing, cycling, bathroom, jogging, fishing, beach volleyball, garden, water aerobics, exercises. (Note: If you have a high instep and wide feet, we recommend choosing one size up; if you have a flat instep and narrow feet, we recommend choosing one size down).