Crampon-compatible expedition boot

A gaiter boot with removable liner for demanding high-altitude mountaineering, ice and mixed climbing. The rigid Vibram Litebase sole scores with low weight and excellent cushioning. Thanks to the BOA® Fit System, fast and precise adjustment is possible, even with gloves. This high alpine boot is...
  • Mountaineering

  • 3010-01061

  • Weight (UK 8.5)

    990 g

  • Flex index


  • Lace system

    Boa® Fit System

  • Soles

    Vibram® Ascension Expedition Litebase

  • Material


  • Lining

    Aluminia Insulation

  • Crampon compatibility


  • Insulation (EN ISO 20334)

    -35 °C

  • Heel drop

    10 mm

  • Waterproof zipper
  • Separate shoe liner
  • Elastic knitted sock construction
  • BOA® Fit System: delivers dialed in performance and a micro-adjustable, precision fit. Can be operated while wearing gloves.
  • Easy resoling
  • Insulated carbon insole: patented, double-insulated carbon insole allows maximum weight reduction while providing rigidity and excellent insulation
  • Board lasting
  • Vibram Litebase
  • Raised rubber rand
  • Suitable for C3 automatic crampons with a heel lever and metal toe bail
  • BOA® Fit System

    The 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.

  • Vibram

    The Vibram sole offers great grip for surefooted navigation – even on the roughest terrain.

  • Fair Wear

    Fair 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.