The La Sportiva Men's Trango Tech Gore-Tex Mountaineering Boots is a seamless, low profile mountaineering boot ideal for technical mountain terrain and climbing easier graded routes. They bridge the gap between mountaineering and backpacking while offering semi-automatic crampon compatibility. To-the-toe lacing for a precise fit and maximum volume adjustment Gusset free tongue construction for increased comfort 3D Flex system promotes precise support on rough terrain Low profile outsole/midsole for more technical foot work and edging capability