- Size: 41 • Breathable mesh design that prevents sand entry and offers excellent ventilation and quick drying. • Adjustable heel strap to easily convert the shoes into slip-on sandals. • Wear-resistant EVA sole, with high elasticity and flexibility, providing excellent cushioning. • Comfortable and breathable lining with removable insole, moisture-wicking and antibacterial, keeping feet dry. • Suitable for all seasons: spring, summer, fall, and winter. • Perfect for indoor and outdoor use: beach, pool, shopping, walking, driving, garden, bathroom, beach games, and water parks.