Insulated jacket with stretch fleece and wool

The Eigerjoch IN Hybrid from our Mammut Eiger Extreme collection is a high-performance insulated jacket. Stretchy fleece panels offer improved freedom of motion and breathability for backcountry ski touring and mountain climbing. The wool content has a naturally odor-inhibiting effect. The unlined...
  • Mountaineering, Ski Touring

  • 1013-01710

  • Denier (main material)


  • Weight

    324 g

  • Cut

    Athletic Fit

  • Lightweight, vapor-permeable, wind- and water-repellent Pertex┬« Quantum Air outer material with Diamond Fuse technology for an ideal balance of weather protection, breathability and abrasion resistance
  • Lining-free Polartec┬« Alpha┬« Direct offers heat retention without heat build-up
  • Inserts on the side, arms and back made from high-quality Pontetorto┬« Merino Tecnowool┬« for optimum comfort and a perfect temperature
  • MAMMUT High Reach TechnologyÔäó for unrestricted freedom of movement when climbing
  • YKK Vislon┬« front zipper for smooth operation
  • 2 climbing-harness-compatible front pockets with cross-over access
  • Integrated cellphone pocket made from mesh material inside the right front pocket
  • Jacket can be stowed away in left front pocket
  • Partially elastic hem for a better fit
  • Pertex┬« Quantum┬« Air

    Pertex® Quantum Air was designed to increase air permeability, striking a balance between windproof rating and breathability.

  • Polartec┬« Alpha┬«

    Synthetic fabrics used in Polartec® Alpha® products are incredibly durable and strong. The open structure of the insulating material offers excellent vapor permeability and heat retention.

  • Pontetorto┬« Tecnowool

    Pontetorto® Tecnowool® combines the typical look of classic wool products with the properties of synthetic fibers. Synthetic fibers on the inside of the garment wick away moisture quickly to the outside.

  • Insert

    67% Polyester, 26% Wool, 7% Spandex

  • Lining

    100% Polyester

  • Main material

    100% Polyamide

  • bluesign┬« PRODUCT

    The bluesign® SYSTEM is a solution for sustainable textile production that eliminates the use of harmful substances. bluesign® PRODUCTS guarantee a responsible use of resources with a minimum impact on people and the environment.

  • Responsible wool

    To help ensure the welfare of sheep and the land they graze on, the wool in this product is sourced from farms exercising progressive land management practices with a holistic approach to animal welfare.

  • 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 workersÔÇÖ rights.

  • Do not use chlorine-based bleach

    Do not use chlorine-based bleach

  • Do not dry clean or use solvents to remove stains

    Do not dry clean or use solvents to remove stains

  • Do not iron or treat with steam

    Do not iron or treat with steam

  • Wash inside out

  • Do not tumble dry

    Do not tumble dry

  • Machine wash on synthetics / permanent press cycle (max. 30┬░ C)

    Machine wash on synthetics / permanent press cycle (max. 30┬░ C)

Man climbing.


Robust. Elastic. Breathable. The Eiger Extreme collection offers athletes uncompromising protection when venturing out in the most severe conditions.