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Mammut Taiss Insulated down jacket

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Features of Mammut Taiss Insulated

Product description of Mammut Taiss Insulated down jacket

Description summary

The MAMMUT Taiss IN Jacket delivers incredible warmth without the weight for your harshest mountain adventures. As an insulating or outer layer, its ultra-light, recycled shell and hydrophobic 850-fill down keep you warm, even in wet conditions. Body-mapped synthetic insulation adds durability where you need it most. Exceptionally lightweight and stowing in its own pocket, this jacket is an essential, no-second-thought piece for mountaineering, ski touring, and any fast-and-light pursuit where every gram counts

Whether an insulating or outer layer, this down jacket will keep you warm in harsh mountain conditions while providing the lightest form possible. It achieves its incredible warmth-to-weight ratio with an ultra-light, durable recycled nylon shell featuring weather-resistant coating, along with filling from responsibly sourced, hydrophobic 850-fill down that insulates even in wet conditions. Carefully situated, the synthetic filling provides warmth in areas that need to withstand a lot of wear and tear. Thanks to its minimal weight and packing volume, you´ll take the Taiss IN Hooded Jacket on tour without a second thought.


Features:

- 850 fill power DRYDown insulation (110g) with hydrophobic finish
- Body-mapped synthetic insulation ( 80g/m2)
- 1-point adjustable hood
- YKK Vislon® 2-way zipper for smooth operation
- Two zippered side pockets
- Jacket can be stowed in side pocket
- Pre-shaped sleeves
- Pre-shaped cuffs
- Adjustable hem
- Cut: Regular Fit

Packability:
- On multi-day adventures or other activities with a lot of equipment, space in the backpack is at a premium. Similarly, for those aiming to travel fast and light, packability is essential. This factor may be less relevant if protection and durability are the top priorities.

Durability:
- For your garment to last you a long time despite plenty of abrasion or rock contact, it has to be hard-wearing. Do you weigh every gram and define absolute freedom of movement as the most important characteristic. Then less abrasion-resistant, lighter clothing can be an advantage.

Windproofing:
- Windproof clothing keeps you from getting cold on breezy peaks or blustery trails and minimizes the wind chill effect, which is your body´s heat loss accelerated by wind. Pay special attention to this factor when your pace is high and conditions are cool and windy.

Warmth:
- Down, synthetic fibers, wool - they are all tasked with storing heat and protecting against cold. The warming layer can vary in weight, breathability and packability. Exactly how warm depends on the intensity of the sport, the outside temperature and the space in your pack.

Warmth-to-weight ratio:
- Even when every gram counts on the trail, you need clothing that provides reliable warmth. A high warmth-to-weight ratio means lots of warmth with little weight.

Stretchability:
- Outdoor clothing must not be constricting. It must be elastic without losing its shape and should give you maximum freedom of movement. The more flexibility your activity requires, the more important stretchy material is.


Specifications:

- Denier (main material): 10Dx10D
- Weight: 345 g
- Fill power: Mammut Down 850 cuin

Materials:
- Filling: 90% White goose down, 10% White goose feather
- Filling 2: 85% Polyester (recycled), 15% Polyester
- Insert: 100% Polyamide
- Lining: 100% Polyamide
- Main material: 100% Polyamide (recycled)
- Fill weight (down): 110.00 g
- Fill weight (synthetic): 80 g/m² forearms, 80 g/m² shoulders, 80 g/m² hood

Performance:
- Packability: 2/6
- Durability: 4/6
- Windproof: 4/6
- Warmth: 5/6
- Warmth to weight: 5/6
- Stretch: 2/6

Activities:
- Everyday: 4/6
- Speed Mountaineering: 5/6
- Mountaineering: 6/6
- Ski Touring: 6/6
- Hiking: 4/6
- Skiing: 3/6


Technology:

Mammut Down 850 cuin:
- The 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.

Pertex® Quantum® Pro:
- Pertex® Quantum Pro uses an ultra-thin water-repellant coating for greater weather protection in extreme conditions.

PFC-free DWR:
- Perfluorinated compounds (PFCs) are often used for waterproofing but are practically non-biodegradable. Mammut is committed to replacing non-biodegradable fabric treatments with more sustainable high-performance alternatives.

Recycled:
- This 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.


Care:

- Do not use chlorine-based bleach
- Do not dry clean or use solvents to remove stains
- Do not iron or treat with steam
- Tumble dry gentle
- Machine wash on normal cycle (max. 30° C)

Technical specifications of Mammut Taiss Insulated

  • Waterproof Membrane

    Pertex® Quantum® Pro

  • Ventilation / Breathability

    80 G/M²

  • Durable water repellent

    Yes

  • Weight

    345 G

  • Thickness

    850 cuin

  • Hood

    With Hood

  • Color

    Black

  • Features

    Thermal

  • Features

    Waterproof

  • Features

    Windproof

  • Features

    Stretch

  • Features

    Compressible

  • Gender

    Men

  • Kind of Jacket

    insulated down

Features of Mammut Taiss Insulated

Hood With Hood

Hood

With Hood

Color Black

Color

Black

Features Thermal

Features

Thermal

Waterproof

Waterproof

Windproof

Windproof

Stretch

Stretch

Compressible

Compressible

Gender Men

Gender

Men

Kind of Jacket insulated down

Kind of Jacket

insulated down

Key differentiators

construction with 850 fill power hydrophobic goose down and body-mapped synthetic insulation

Designed for high-output activities like mountaineering and ski touring

Features a 1-point adjustable hood and a 2-way YKK Vislon® zipper for versatile use

Lightweight and highly packable, stowing into its own side pocket

Weather-resistant Pertex® Quantum® Pro coating on an ultra-light, recycled shell

Technology in Mammut Taiss Insulated down jacket

Energy rating

Warnings

/ 5

1 Reviews

What our customers are saying about Mammut Taiss Insulated down jacket

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Include AI Generated questions and answers

2026-10-01

Generated by AI and verified

Mammut Taiss Insulated down jacket

Is the Mammut Taiss Insulated Down Jacket designed for men or women?

Answer of Generated by AI and verified

This jacket is designed for men, as indicated by its product name and specifications. It features a Regular Fit tailored for the adult male form.

* Generated by AI based on customer and product data

2026-10-01

Generated by AI and verified

Mammut Taiss Insulated down jacket

How packable is this jacket for travel or multi-day trips?

Answer of Generated by AI and verified

The Mammut Taiss Insulated Down Jacket is exceptionally packable. It is designed to be stowed away in its own side pocket, making it a great choice for activities like mountaineering and ski touring where minimizing pack volume is essential.

* Generated by AI based on customer and product data

2026-10-01

Generated by AI and verified

Mammut Taiss Insulated down jacket

What kind of fit does the Mammut Taiss jacket have?

Answer of Generated by AI and verified

This jacket features a 'Regular Fit'. It also has an adjustable hem, pre-shaped sleeves, and pre-shaped cuffs to help tailor the fit to your body.

* Generated by AI based on customer and product data

2026-10-01

Generated by AI and verified

Mammut Taiss Insulated down jacket

What type of insulation is used in the Mammut Taiss Insulated Down Jacket?

Answer of Generated by AI and verified

This jacket uses a hybrid insulation system. The primary insulation is 850-fill power DRYDown with a hydrophobic finish. It also features body-mapped synthetic insulation in areas that require more durability.

* Generated by AI based on customer and product data

2026-10-01

Generated by AI and verified

Mammut Taiss Insulated down jacket

Is the hood on this jacket adjustable?

Answer of Generated by AI and verified

Yes, the jacket is equipped with a 1-point adjustable hood, allowing you to customize its fit for better protection and visibility.

* Generated by AI based on customer and product data

2026-10-01

Generated by AI and verified

Mammut Taiss Insulated down jacket

What are the materials used for the shell of this jacket?

Answer of Generated by AI and verified

The jacket features an ultra-light, durable shell made from recycled nylon with a weather-resistant coating.

* Generated by AI based on customer and product data

2026-10-01

Generated by AI and verified

Mammut Taiss Insulated down jacket

What kind of zipper does the Taiss IN Jacket have?

Answer of Generated by AI and verified

This jacket is equipped with a YKK Vislon® 2-way zipper, which is designed for smooth and reliable operation, allowing for versatile ventilation options.

* Generated by AI based on customer and product data

2026-10-01

Generated by AI and verified

Mammut Taiss Insulated down jacket

How many pockets does the Mammut Taiss jacket have?

Answer of Generated by AI and verified

The jacket has two zippered side pockets. One of these pockets also serves as a stuff sack for the jacket itself.

* Generated by AI based on customer and product data

2026-10-01

Generated by AI and verified

Mammut Taiss Insulated down jacket

Can I use the Mammut Taiss jacket as an outer layer?

Answer of Generated by AI and verified

Yes, you can wear this jacket as either an insulating mid-layer or as an outer layer. Its shell has a weather-resistant coating, and the hydrophobic down provides insulation even in damp conditions.

* Generated by AI based on customer and product data

2026-10-01

Generated by AI and verified

Mammut Taiss Insulated down jacket

What activities is the Taiss Insulated Down Jacket best for?

Answer of Generated by AI and verified

This jacket is designed for demanding mountain adventures where a high warmth-to-weight ratio is crucial. It's an excellent choice for mountaineering, ski touring, and any fast-and-light pursuit.

* Generated by AI based on customer and product data

2026-10-01

Generated by AI and verified

Mammut Taiss Insulated down jacket

Will the down in this jacket still insulate if it gets wet?

Answer of Generated by AI and verified

Yes, the jacket is filled with responsibly sourced, hydrophobic 850-fill down. This treatment helps the down resist moisture and retain its insulating properties even in wet conditions.

* Generated by AI based on customer and product data

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Frequently bought together
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Use cases

Cold-Weather Mountaineering & Ice Climbing 90% Fit

Engineered for demanding alpine environments, this jacket provides essential warmth for high-altitude pursuits. The down insulation offers a high warmth-to-weight ratio, crucial for staying warm during periods of low activity like belaying or rest stops in cold conditions.

Insulated Down construction,Designed for adult male users

Ski Touring & Backcountry Skiing 90% Fit

This jacket serves as a high-performance insulating layer for ski touring and backcountry adventures. Its down insulation provides significant warmth, making it ideal for layering during ascents or as an outer layer during descents and transitions in cold, dry weather.

Insulated Down fill,Adult-specific fit

Winter Hiking & Snowshoeing 80% Fit

For active pursuits like winter hiking or snowshoeing, this jacket offers reliable warmth to counter cold temperatures. The down insulation effectively traps body heat, ensuring comfort on the trail during colder days.

Insulated Down for warmth,Male-specific design

Alpine Bouldering & Cold-Weather Cragging 75% Fit

As an belay or rest jacket, this piece is ideal for maintaining warmth between climbs in cold conditions. The down insulation provides the necessary thermal protection when stationary at the crag or bouldering in alpine environments.

Insulated Down construction,Designed for adult users

Best for

Best for High-Altitude Climbers

This jacket's insulated down construction provides essential warmth for cold, high-altitude environments, making it a serious upgrade for technical mountain pursuits.

Based on: insulation_type: Insulated Down

Ideal for Performance-Focused Alpinists

Engineered for an active fit, this jacket supports dynamic movement during climbing and mountaineering without compromising on weather resistance.

Based on: Active Lifestyle Compatibility, Weather Resistance & Durability

A Top Choice for Eco-Conscious Adventurers

This jacket combines advanced performance with a commitment to sustainability, featuring recycled materials in its construction.

Based on: Fashion, Material: 100% recycled polyester

Benefits

FunctionalWarm with Down Insulation

This jacket is designed to provide warmth in cold weather, featuring down insulation. It's an essential piece of outerwear for staying comfortable when temperatures drop.

FunctionalTrust in Mammut Quality

As a product from Mammut, this jacket represents the brand's commitment to creating reliable outerwear. Customers can feel confident in their purchase, knowing it comes from an established name in outdoor apparel.

Ideal buyer profiles

The Mountaineer

This individual engages in alpine pursuits and requires technical outerwear that provides essential warmth without hindering movement. They prioritize gear that is both functional and reliable in challenging mountain environments.

The Mammut Taiss jacket is an excellent choice, featuring down insulation for warmth in cold conditions. Its design is tailored for an active adult male, making it suitable for the dynamic movements required in mountaineering.

The Climber

The climber seeks apparel that offers a balance of warmth, low bulk, and freedom of movement for various climbing disciplines, from bouldering in cool weather to multi-pitch routes. They need a jacket that can be worn while active or used for belay duty.

With its down insulation, this jacket provides warmth that is crucial for static periods during a climb. Designed for men, it supports an active lifestyle, accommodating the reaching and stretching inherent in climbing.

The Thru-Hiker

Spending extended periods on long-distance trails, the thru-hiker is meticulous about every piece of gear. They need an insulated layer that delivers reliable warmth for cold evenings and mornings at camp, while being efficient to carry during the day.

This jacket's down insulation offers the warmth needed to recover after a long day of hiking. As a piece of outerwear from Mammut, it is built for outdoor activities, providing a dependable layer against the cold for multi-day treks.

Competitive features

When selecting technical outerwear for demanding mountain activities, it's crucial to compare how different jackets balance warmth, weight, and weather resistance. We've analyzed the Mammut Taiss Insulated Down Jacket against several competitors to highlight its specific advantages for fast-and-light pursuits.

Where it excels

Engineered for packability, this jacket is exceptionally lightweight and stows into its own pocket, making it an ideal choice for mountaineering, ski touring, and other activities where minimizing pack size and weight is critical. Its hydrophobic down and weather-resistant coating on the recycled shell provide reliable warmth even in damp conditions, a key advantage over standard down jackets that can lose insulating power when wet.

Consider alternatives if...

Verdict

The Mammut Taiss Insulated Down Jacket is a highly specialized piece designed for those who prioritize an exceptional warmth-to-weight ratio and packability. Its hybrid construction with hydrophobic down makes it a reliable insulating layer for fast-paced mountain sports like ski touring and mountaineering, where performance in variable conditions is key. While other jackets may offer different features, the Taiss excels in providing lightweight, compressible warmth.

Specs comparison

Specs vs competitors

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