STRETCHY MATERIALS:The smooth fabrics with fine stretch on uppers are easy to get on and off.It is light and feels like you just have socks on,but thick enough to protect your feet. DURABLE SOLE:The new updated sole features great wearing resistance and duration.The convex dots on solo enhances ability of anti-skid, giving strong friction when waking. FLEXIBLE TWIST AND LOOP:This shoes are portable and easy to take with when travelling. SPECIAL FEATURES:These shoes walk like normal shoes but allow the water to drain out.The holes would not be big enough to allow sands or rocks inside. OCCASION:Perfect for beach, diving, snorkeling, shower, swimming, pool, weight training, boating& sailing, parasailing, kayaking, yoga, dancing, windsurfing, cycling, bathroom, jogging, fishing, beach volleyball, garden, water aerobics, exercises.