La Sportiva Trango Tech GTX mountaineering boots tackle any type of terrain with confidence. It bridges the gap between mountaineering and hiking for mountain travel. Low-profile midsole and outsole design provide technical footwork and climbing ability on easier routes and a TPU insert ensures compatibility with semi-automatic crampons for glacier travel. Throughout your hike, the waterproof upper and Gore-Tex membrane keep feet dry and comfortable on muddy trails and in shallow water. and the gussetless tongue increases comfort during long days in the mountains. Besides Trango features a 3D Flex system for precise support on rough terrain uneven trails and lacing system to your toes which provides precise fit and improved control which is valued regardless whether you're climbing a new route or traversing challenging terrain.