- Size: 44 • Material selection: high-quality knitted upper and highly elastic flexible sole, comfortable to wear, perfect combination of trend design and sports. • Breathability: the upper is made of knitted mesh and has good air permeability. The insole is made of a breathable insole that circulates air well and keeps the air inside the shoe fresh. • Comfortable: the knitted mesh has some elasticity and fits perfectly to the feet, keep wearing it comfortable and safe. • Slip resistance: the sole is made of EVA. They have great elasticity and great softness. They are suitable for indoor or outdoor running, tennis physical training, and other sports. The sole is designed with wavy anti-slip grooves to protect you. • Lightweight: the shoes in general are designed for leisure and sports, so the shoes are very light, making every step of your journey feel very relaxed.