This boot is suitable for year-round high altitude tours. The ideal companion for alpine challenges where low weight and high performance are essential. The Vibram Litebase outsole excels in both of these requirements. Comfort is not neglected either: the Taiss Pro High GTX guarantees warm and dry feet thanks to GORE-TEX footwear, plus the BOA® Fit System ensures the perfect fit, and fast, precise adjustments, even while wearing gloves. These semi-automatic crampon compatible boots are ready for anything....
![Eiger Extreme](https://static.mammut.com/cdn-cgi/image/width=4096,quality=50,f=auto,metadata=none/master/eigerextreme-x_logo_pos.png)
Eiger Extreme
630 g
B2
Boa® Fit System
Vibram® Ascension Litebase
schoeller® Soft Shell
GORE-TEX Footwear
Semi-automatic
-30 °C
11 mm
- BOA® Fit System: delivers dialed in performance and a micro-adjustable, precision fit. Can be operated while wearing gloves.
- Contact Control
- 360 Heel Support: abrasion-resistant, 3D-shaped element supports heel and prevents ankle twisting
- Aluminia Insulation insole
- Easy resoling
- Board lasting
- Raised rubber rand
- Stretch-fit construction
- Vibram Litebase
- Suitable for C2 hybrid/semi-automatic crampons with a heel lever and toe basket