The multi-functional upper is made of matte cow leather, which is breathable, waterproof and wear-resistant; it creates an urban functional atmosphere for daily wear; the 3D printed overlay supports and locks the sole of the foot, giving a stable sense of security during movement; the waterproof inner boots are carefully made of recycled GORE-TEX shoe fabric, so you can move forward without fear of mountain streams and swamps. HOKA's signature cushioning midsole (incorporating cushioning into hiking shoes, providing more protection when going downhill and less wear and tear on joints) dual-density midsole: the upper layer uses new lightweight foam for comfortable cushioning; the lower layer of rubberized foam provides tough support and provides energy feedback during rebound. Abandoning the bulkiness of traditional hiking shoes, they are light and flexible, making long distances worry-free. Hardcore, grippy, wear-resistant outsole Vibram Megagrip rubber outsole provides traction in wet and dry conditions, 5mm "stepped" lugs provide additional support and stability, and banded rubber placement adds support and stability.