Eiger Extreme

Our warmest down jacket for extreme conditions

Your ideal companion for expeditions, winter bivouacking or belaying on ice climbs. The Eigerjoch Pro is an extra-warm insulated jacket for bitter-cold and extreme conditions. The Pertex® Quantum Pro material on the outside of the jacket is ultra-light and extra abrasion-resistant. An additional...
  • Mountaineering
  • 1013-01760
  • Denier (main material)20Dx20D
  • Weight826 g
  • CutRegular Fit
  • Extremely lightweight Pertex® Quantum Pro material with ultra-thin water-repellent coating and Diamond Fuse technology for increased weather protection and excellent abrasion resistance
  • Filled with 200 g water-repellent 90/10 goose down (puff strength: 850 cuin) for optimal heat retention
  • Taped external seams for greater heat retention and weather protection
  • MAMMUT High Reach Technology™ for unrestricted freedom of movement when climbing
  • One-hand adjustable drawstring cord with Cohaesive® stoppers for easy adjustment of hem and hood - even when wearing gloves
  • YKK Vislon® 2-way zipper for smooth operation
  • 2 backpack-compatible chest pockets with zipper
  • 2 internal pockets made from elastic mesh material
  • 2 climbing-harness-compatible front pockets with zippers
  • Wrist gaiters
  • Additional stow bag with 2 carabiner loops
  • Contains non-textile parts of animal origin (down or leather)
  • Pertex® Quantum® ProPertex® Quantum Pro uses an ultra-thin water-repellant coating for greater weather protection in extreme conditions.
  • PrimaLoft® BlackPrimaLoft® Black is the basic version of the highly effective insulating material – warm, soft and lightweight synthetic insulation without any extra frills.
  • Pertex® Diamond FusePertex® Diamond Fuse fabrics use yarns with unique diamond-shaped filaments that interlock to form a durable, highly abrasion-resistant and water-repellent fabric.
  • HyperDRY™HyperDRY water-repellant down features a unique fluorocarbon-free treatment, allowing the down to retain its superior warmth-to-weight ratio even when wet.
  • Mammut Down 850 cuinThe fill power of down is rated in cuin (cubic inches per ounce): the higher the cuin rating, the greater the wadding and therefore thermal insulation per weight.
  • Filling90% Down, 10% Feather
  • Filling 2100% Polyester
  • Lining100% Polyamide
  • Main material100% Polyamide
  • Responsible downThis product contains down and feathers sourced from well-treated animals. Collection from live birds (live-plucking) as well as force-feeding are strictly prohibited.
  • 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.
  • Man climbing.

Eiger
Extreme
with
GORE-TEX
PRO

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

Learn more

The
insulating
properties
of
down

And when it comes to staying warm, there’s no better ally than down.

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Cleaning
up
your
down
jackets

Caring for your jacket not only makes it look new, but also ensures it is performing at its best.

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