92% polyester + 8% spandex Rubber sole COMFORTABLE & FIT: With a strong wicking performance of the stretchy ultra-thin material that make users feel comfortable fit like socks. RUBBER OUTSOLE & FOOT SAFETY: Wearable and top-quality rubber sole, which protects your feet from being hurt by sharp objects. High QUALITY MATERIAL: Stretch fabric upper,flexible and breathable; Top quality rubber sole ,lightweight and slip resistant. CONVENIENCE: Smooth neck design prevents scratching when wearing. It is easy to wear and take off. Unisex shoes for kids: Perfect for yoga, running, beach sport, swimming and other indoor and outdoor, leisure and other sport activities.