- Size: 40 • Outer mesh fabric material that provides breathability and greater comfort. • Sole with good elasticity and non-slip, easy to clean and dust-resistant. • MD material sole, lighter and more elastic than rubber, distributes impact force evenly and reduces pressure on the sole of the foot. • Skin-friendly mesh interior, ideal for running, walking, working, playing tennis, fitness, and other sports. • Commitment to excellent product quality, manufactured in our own factory for quality control from the source. • High-quality knitting thread that makes the upper material soft, comfortable, and wear-resistant.