- Size: 28/29 • Efficient water drainage: Ergonomic and anti-collision sole with 11 powerful drainage holes that allow for quick water flow and efficient drying, keeping your feet in a healthy and comfortable environment. • Portability: Soft and flexible shoes that can be stored in a small plastic bag, taking up little space in your bag. • Durable rubber sole: Enhanced to offer great anti-slip resistance and durability, protecting your feet from potential injuries caused by rocks and slippery surfaces. • Versatility: Ideal for the gym, beach, pool, water park, and water sports such as aqua zumba, aqua therapy, sailing, boating, kayaking, windsurfing, among others.