Adrenaline will rush through you when wearing these Jetstream Mid Boots, designed for men. Great pair of boots ideal for hiking, they are also very comfortable and safe so you can face any kind of weather in them. They feature mesh and TPU upper, moisture wicking mesh lining, memory foam footbed, high performance rubber EVA blend midsole, slip resistant rubber pads outsole, cement construction, nylon shank, electrical hazard protection and CarbonMax technology. They are also slip resistant, security friendly and have a ASTM F2413-11 M I/75 C/75 EH standard for protection. Material: Mesh, Rubber.