Upper: two layers of cowhide Outsole: Rubber + EVA! !The upper is made of a combination of two-layer cowhide and mesh, which is wear-resistant, tensile-resistant, and breathable; the insole is made of high-foaming PU insole, which has five major functions: breathable, sweat-absorbent, antibacterial, elastic! Good, and cooling. The outsole is made of rubber. Bottom, its advantages: wear-resistant, non-slip, elastic, good softness, good extensibility, stable shrinkage. The midsole is made of EVA material, its advantages: light, good elasticity, good flexibility, not easy to wrinkle, has excellent Colorability, suitable for various climates, the entire pair of shoes is waterproofed and the lining of the shoe is made of SUPER-TEX waterproof lining, ensuring that the shoe has a certain waterproof function; this shoe is designed for outdoor hiking, low-altitude mountaineering and Casual everyday wear. (General payment) 36--45 (General style) black/dark gray/sand color