The Men's Vioz Lux GTX Boot from Zamberlan is a durable & sturdy boot made with high quality full grain leather. Inside the boot a Gore-Tex bootie lining offers excellent waterproof protection that is breathable to ensure a comfortable, healthy environment for your foot at all times. The Zamberlan Air System padding in the upper is complimented by the Z-Comfort Fit footbed to make sure your feet are snug & secure. In addition to this the Z-Flex GT midsole allows a natural & consistent flex that supports you while on the move. The Zamberlan Vibram 3D sole unit has been developed with backpacking & hiking in mind. It features an aggressive rubber outsole with deep lugs for excellent traction, stability & grip. The wide grooves are great for cleaning themselves when walking across harder surfaces & the protective rubber toe rand offers enhanced durability against the scuffs & scrapes you'll inevitably get along the way.