Men's Keen hiking boots made of durable material Keen Men's Nxis Evo outdoor boots are the right choice for speed hiking and other physical activities in the field. KEEN.DRY technology will make you happy in possible adverse weather, when your feet will stay dry. KEEN.ALL-TERRAIN technology for better grip on any terrain with a deep multi-directional pattern. KONNECTFIT technology significantly strengthens the heel.  Lacing extended with upper loops also helps to fit the leg snugly, enabling precise tightening in the upper part of the instep. The midsole consists of comfortable EVA foam, which is characterized by excellent cushioning and shock absorption. The durable shoes are also treated with natural antibacterial probiotic technology that breaks down sweat odors. Material: rubber, textile, TPU