The Mammut Men's Trovat Advance GORE-TEX Boots are purpose built for taking on the toughest terrain. Packed with cushioned comfort and energy preserving technology, the Trovat Advanced is suited to long walks and backpacking escapes, as well as tough mountain hikes. Fitted with GORE-TEX technology, the boots are completely waterproof, as well as being highly breathable. The Rolling Concept system uses the natural motion of the foot to increase energy return and provide cushioning where it is needed the most. The Vibram MT Traction II sole has got deepened tread for added grip on softer ground, whilst the 3-zone lacing system provides a tight and secure fit.