- Size: 38 • The outer material is made of mesh fabric, which provides breathability and greater comfort. • The soles are flexible and non-slip, easy to clean and do not accumulate dust. • The sole is made of MD material, lighter and more flexible than rubber, distributing impact evenly and reducing 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 measurements: 3 cm wide, 3 cm high, 5 cm long.