La Sportiva Trango Tech Leather GTX climbing boots bridge the gap between hiking and mountaineering making boots that can confidently overcome all types of terrain. Its low-profile outsole and midsole provide technical footwork and edge-climbing ability when climbing easier routes and also provide compatibility with semi-automatic crampons for glacier travel. Leather upper and Gore-Tex membrane keep feet dry and protected in mountainous terrain and the tongue design with a loose gusset improves comfort for miles on the trail. In addition, Trango is equipped with a 3D Flex system which provides precise support on rough terrain and lacing system to the toes which provides a precise fit for improved control what is valued regardless whether you're climbing a new route or traversing challenging terrain.