Mammut Eigerjoch Pro IN Jacket - Men's

Mammut Eigerjoch Pro IN Jacket - Men's

Regular Price: £525.00

Special Price £349.00 save 33%

Incl. 20% Tax

Availability: Out of stock

The Mammut Eigerjoch Pro insulated men's jacket uses a combination of premium goose down and synthetic insulation in a clever double chamber construction, to create a very light and practical jacket capable of dealing with extreme conditions. An ideal companion for expeditions, winter bivouacking or belaying on ice climbs.
View Mammut Eiger Extreme Collection

Animal welfare: x

Either contains no animal derived products (Vegan), or uses animal derived products such as down, wool and leather from animals treated according to the Five Freedoms

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Ethical Supply: x

Products and materials produced by companies which promote safe, healthy working conditions; fair, living wages, non discrimination, the right of assembly and collective bargaining throughout their supply chains, and prohibit child or forced labour.

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Eco Friendly Process: x

Manages chemicals responsibly, including inks, dyes or coatings (including Durable Water Repellency) , and uses renewable resources such as energy and water in the production process.

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Mammut Eiger Extreme Eigerjoch Pro IN Jacket - Men's

The Mammut Eigerjoch Pro insulated men's jacket uses a combination of premium goose down and synthetic insulation in a clever double chamber construction, to create a very light and practical jacket capable of dealing with extreme conditions.

The Pertex® Quantum Pro material on the outside of the jacket is ultra-light and extra abrasion-resistant at the same time, while an additional water-repellent treatment offers extra weather protection. Premium goose down compliant with the Responsible Down Standard, coupled with the innovative double chamber construction keeps you warm even in the bitterest conditions. For even better protection against moisture, the jacket has partially taped seams and is made with water-repellent down, treated and combined with PrimaLoft™ synthetic fibre insulation made from recycled polyester. Attention to detail is superb; elasticated hand-gaiters provide a good seal to stop the snow blowing up your arms, drop in pockets keep mitts warm and close by, and the hood is one of the best fitting out there.

Please note - sizing is snug on these jackets, as with all the Mammut Eiger Extreme range. If you're used to Arc'teryx or Patagonia clothing, you may need to order a size up from your usual.

  • Weight: 826 g
  • Extremely lightweight Pertex® Quantum Pro material with ultra-thin water-repellent coating and Diamond Fuse technology for increased weather protection and excellent abrasion resistance
  • Combination of down and PrimaLoft® chambers on areas exposed to moisture for optimum moisture-wicking and body climate
  • 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
  • Helmet-compatible hood with reinforced peak and 3-point adjustment
  • One-hand adjustable drawstring cord with Cohaesive® stoppers for easy adjustment of hem and hood - even when wearing gloves
  • 2 backpack-compatible chest pockets with zip
  • 2 internal glove-warmer pockets made from mesh material
  • Internal chest pocket with zip
  • 2 climbing-harness-compatible front pockets with zips
  • YKK Vislon® 2-way zip for smooth operation
  • Elasticated hand gaiters
  • Additional stow bag with 2 carabiner loops
  • Contains non-textile parts of animal origin (down or leather)
  • Denier (main material): 20Dx20D
  • Filling: 90% Down | 10% Feather
  • Filling 2: 100% Polyester
  • Lining:100% Polyamide
  • Main material: 100% Polyamide



  • Denier (main material): 20Dx20D
  • Filling: 90% Down|10% Feather
  • Lining:100% Polyamide
  • Main material: 100% Polyamide
  • Weight 826g
    Brand Mammut
    Colour Night
    Gender Male
    Size Guide

    Mammut Logo

    Men's TopsChestWaistHip
    Small 84-91cm 76-79cm 92-99cm
    Medium 92-99cm 80-87cm 100-107cm
    Large 100-107cm 88-95cm 108-115cm
    X Large 108-115cm 96-103cm 116-123cm
    XX Large 116-123cm 104-111cm 124-131cm


    Men's PantsWaistHipInseam
    30 80-83cm 100-103cm 83cm
    32 84-87cm 104-107cm 83cm
    34 88-91cm 108-111cm 84cm
    36 92-95cm 112-115cm 84cm




    We try to keep the site updated with products that are in stock and despatch within 1-2 working days (Mon-Fri). Occasionally items ordered may be out of stock. If this should happen we will contact you to let you know when we will be able to despatch your order. Please note that all deliveries are made between 08.00 and 18.00 Monday to Friday and may require a signature.

    Free Delivery

    Orders are typically despatched with Royal Mail Tracked 48. Please note that this is a guideline only as a different delivery method may be used depending on the size/weight of your order – if you would like any more information on your delivery please contact us. Please note that postal services are dealing with unprecedented numbers of orders just now; there may be a short delay in delivery but we will get your order to you as quickly as we can.

    Click and Collect

    At checkout, please let us know you'd like to collect your order from our Hathersage store, either in the Comments box on the order page or by emailing us at [email protected], quoting your order number. Click and Collect items are available to pick up Monday – Friday, 9:00 am – 5:00 pm (excluding Bank Holidays), one working day after your order is confirmed.

    When your item is ready to collect, you will receive a confirmation email; please either bring a print out of this or show us the email on your phone. You will also need to bring a form of ID which shows the billing address for your order.

    Please collect from the back door at the end of Outside's customer car park:

    Outside Ltd
    Main Street
    S32 1BB

    Online Only Range

    “Online only” products are not available for immediate despatch but you will still normally receive these items within 5-7 days of placing an order. If there are likely to be any further delays we will of course be in touch. These products cannot be purchased in our store.

    Next Day Delivery - £5.95

    Orders placed BEFORE 2pm Mon-Fri will be despatched the same day, usually with Parcelforce (requiring a signature). Any Next Day orders received after this time will be despatched the following working day. Please note any orders placed AFTER 2 PM on Thursdays will be despatched on Friday, but not delivered until the following week. Next Day isn't possible on Bank Holidays. If you have a mobile number on your account you will receive SMS notifications regarding delivery (UK mainland deliveries only).

    Redirection of your order once despatched

    We regret to say that we are unable to change the address or postcode on a parcel once it has been despatched. We therefore recommend that you check your delivery address and postcode carefully before completing the order as this will not be checked by us before despatch. We also recommend that orders are sent to an address where someone will be available all day to receive the parcel, e.g. a work address.

    European and International Delivery

    International service suspended

    Unfortunately international orders are temporarily suspended due to the impacts of Coronavirus and Brexit related regulations. We are working to restore normal service when we can - please email [email protected] if you would like an update when we resume international services. Please accept our apologies for any inconvenience.


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