La Sportiva Trango Pro GTX Boots - Men's Black/Yellow 44.5. They bridge the gap between mountaineering and backpacking while offering semi-automatic crampon compatibility. Mountain guides SAR teams hikers and backpackers alike will benefit from the performance. Users can confidently tackle all types of terrain and know they will be dry and protected during long days in the mountains. Specifications for La Sportiva Trango Pro GTX Boots - Men's: Manufacturer: La Sportiva Gender: Male Age Group: Adults Men's Shoe Width: Medium Color: Black/Yellow Footwear Type: Boots Activity: Mountaineering Weight: 18.8 oz Footwear Closure: Laces Footwear Upper Fabric/Material: High Tenacity Nylon Insole Material: Hybrid Carbon-Nylon Weave Lining Material: ePE Gore-Tex Outsole Material: Vibram Cube Evo Midsole Material: Low Density PU Features of La Sportiva Trango Pro GTX Boots - Men's 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 Compatible with various non-automatic and semi-automatic crampons. Crampon compatibility is NOT ensured and boot-crampon compatibility needs to be inspected Package Contents: La Sportiva Trango Pro GTX Boots - Men's La Sportiva 31N-999100-44.5: Trango Pro GTX Boots - Men's Black/Yellow 44.5