If challenging outdoor activities in unpredictable weather are part of your life then the Tibet Gore-Tex hiking boots from Lowa are for you. Built to withstand carrying heavy loads over long distances and off-trail terrain, these rugged lace-up trekking boots will keep you stable and protected. Sturdy, water-repellent 2.5 mm nubuck leather upper with tonal stitching. Two-zone FlexFit lacing system that allows an easy, natural motion of the ankle. Proprietary Lace Loop technology and patented "I-Lock" locking hooks. Generously padded collar and tongue for comfortable wearing on uneven terrain. Gusseted C4 anatomically shaped tongue to keep debris and moisture out and improve flex. High-profile construction to keep ankles secure. Gore-Tex breathable interior membrane for waterproofing and ultimate climate control. Breathable textile lining for abrasion-free wear. Removable, textile lined insole with slow reacting foam layer for added comfort. Detailed PU midsole wider in the forefoot and higher in the toebox for a perfect fit. SPS Dynamic technology incorporated in the midsole to control overpronation and supination and reduce fatigue. Full-length, 5mm nylon stabilizer with a PU layer for optimal underfoot control. Self-cleaning Vibram Masai outsole with deep lugs shaped for uphill and downhill traction. High wall rubber rand for extra protection. Compatible with strap-on crampons.