Eiger Extreme

Extremely lightweight mountaineering boot

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...
  • Mountaineering
  • 3010-01071
  • Weight (US 9.5)630 g
  • Flex indexB2
  • Lace systemBoa® Fit System
  • SolesVibram® Ascension Litebase
  • Materialschoeller® Soft Shell
  • LiningGORE-TEX Footwear
  • Crampon compatibilitySemi-automatic
  • Insulation (EN ISO 20334)-30 °C
  • Heel drop11 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
  • BOA® Fit SystemThe BOA® Fit System delivers dialed in performance and a micro-adjustable, precision fit. The mechanism can be adjusted quickly and effortlessly in any situation, even when wearing gloves.
  • GORE-TEXElastic GORE-TEX Tongue Construction
  • VibramThe Vibram sole offers great grip for surefooted navigation – even on the roughest terrain.
  • Fair WearFair Wear works to ensure fair and safe working conditions in garment factories. The non-profit engages directly with factories, trade unions, NGOs and governments to protect workers’ rights.
  • RecycledThis product contains recycled materials with uncompromised performance and functionality. Choosing recycled materials reduces the use of virgin resources and helps promote a more circular economy.