Rubber sole UPPER MATERIALS — The upper is made of ultra breathable and stretch Lycra material with elasticity and wearability. UNIQUE DESIGN — Unique and top-quality anti slip camo rubber sole has several holes on each bottom to ensure water flowing out. The holes would not be big enough to allow sands or rocks inside. CONVENIENT LACE — Drawstring elastic-shoelace can quickly adjust the loose, and elastic shoes neckline allows you easily put on and take off. QUICK-DRY — The water socks are ultra-lightweight. You don’t even feel anything but only freedom and comforts. Top-of-the-line neoprene material is stretchy, breathable and retains shape for low maintenance wear. OCCASION — Multi-functional water shoes for snorkeling, swimming, diving, surfing, jogging, yoga training, kayaking, driving, walking, fishing, cycling, kayaking, windsurfing, weight training, sailing, parasailing, boating, cycling, pool, yoga, pilates, beach volleyball, garden, and so on.