- Size: 39 • Outer material made of mesh fabric, providing breathability and comfort. • Flexible and non-slip soles, easy to clean and maintain. • MD material sole, lighter and more flexible than rubber, with even impact distribution to reduce pressure on the sole of the foot. • Made with synthetic and hypoallergenic material, ideal for running, walking, tennis, fitness, and other sports. • Designed to offer a high-quality user experience. • Product dimensions: 3 cm wide, 3 cm high, and 5 cm long.