Here's what other sites are saying:
Forget about the treeline--the Mammut Men's Magic High GTX Boot will take you above the clouds. This crampon-compatible alpine boot offers the support and weather protection needed for ascents into the alpine, all in a lightweight and comfortable package. Base Fit 2. 0 technology provides greater heel support for a more precise feel, less fatigue, and reduced blistering. Gore-Tex keeps you foot dry without suffocating it, while the EVA and PU midsole cushions your step as you cross jagged terrain and provides rebound to propel you forward. Memory foam at the instep, shin, and ankles eases strain and fatigue at common pressure points, and returns to its original shape after being subjected to heavy loads.
Mammut Footwear Magic High GTX Mountaineering Boot - Men's Inferno-Black US 7.5 1065. This has resulted in a huge increase in comfort and support in the boot. This effect is further enhanced by 3D-shaped heel cushioning 3-zone lacing with efficient D-ring locking and the patented Base Fit 2.1. The precise connection to the shaft is due to a light wedge made from poro PU and TPU which offers lasting cushioning. The proven Vibram Maton sole completes this updated crampon-compatible model which is also suitable for demanding mountain hikes.