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Mammut

Mammut Aconcagua jacket

Price without code 134.99

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Features of Mammut Aconcagua

Product description of Mammut Aconcagua jacket

Description summary

The Mammut Aconcagua Jacket for Men is a third-generation performance fleece, designed for ultimate versatility. Crafted from Polartec® Power Stretch® Pro, it offers exceptional warmth, moisture-wicking, and quick-drying properties without bulk. Its 4-way stretch and Athletic Fit ensure unrestricted movement, making it perfect for climbing, hiking, or everyday wear as a standalone piece or mid-layer. Featuring raglan sleeves, a flat chinguard, accessible zippered pockets, and thumb loops, this durable, timeless jacket provides comfort and functionality for any adventure

Mammut Aconcagua Jacket for Men | The Ultimate Performance Fleece Mid-Layer

Discover the pinnacle of alpine performance and versatility with the Mammut Aconcagua Jacket for Men. A true classic in the world of technical fleece, this jacket is now in its third generation, continuing its legacy of standing firm on expeditions, long and short outdoor adventures, and seamlessly transitioning to comfortable everyday use. Whether you´re scaling a mountain, trekking through a forest, or navigating the urban landscape, the Aconcagua is engineered to be your most reliable companion.

Engineered for Superior Thermal Performance and Comfort

The heart of the Aconcagua jacket is its exceptional Polartec® Power Stretch® Pro material. This advanced synthetic fabric is remarkably comfortable against the skin and is engineered to provide substantial warmth without the weight. The fleece fabric actively keeps you warm in cool conditions, efficiently wicks moisture away from your body to keep you dry during intense activity, and dries quickly to prevent chills. Its robust construction ensures long-lasting durability, adventure after adventure.

Unrestricted Movement for a Sporty Lifestyle

Experience complete freedom of movement thanks to the highly flexible 4-way stretch material. The fabric moves with your body, never restricting you, making it ideal for dynamic activities like climbing, ski touring, and demanding hikes. The Aconcagua features an Athletic Fit that sits close to the body, eliminating bulk and making it the ideal mid-layer to wear under a hardshell or waterproof jacket. This streamlined silhouette also ensures it functions perfectly as a standalone piece in milder weather.

Timeless Design with Technical Features

Beyond its core performance, the Aconcagua jacket is packed with tried-and-tested features for the modern adventurer. Raglan sleeves are thoughtfully designed to prevent pressure points when wearing a backpack, ensuring comfort on long journeys. The high-quality flat chinguard and zipper underlay prevent chafing, while two zippered pockets are placed to remain accessible even when wearing a climbing harness or a backpack hip belt. Functional thumb loops close neatly at the opening to keep sleeves in place and seal out the cold. Its timeless design, combined with these essential features, makes the jacket a perfect choice for wearing alone, showcasing its clean lines and premium quality. With added UV protection, you can rely on the Aconcagua for an extra layer of defense against the sun during high-altitude pursuits.

Key Attributes:

* Gender: Men
* Key Feature: Stretch
* Material: Synthetic
* Design: Without Hood

Technical Specifications:

* Composition: 52% Polyester, 39% Polyamide, 9% Elastane
* Ecology: Bluesign® PRODUCT, Fair Wear
* Approximate weight: 367 g

Care Instructions:

* Machine wash on a normal cycle (max. 30 °C).
* Do not use chlorine-based bleach.
* Tumble dry on low heat.
* Do not iron or treat with steam.
* Do not dry clean or use solvents to remove stains.
* Wash with similar colors and close zippers before washing

Specifications

Manual

Technical specifications of Mammut Aconcagua

  • Insulation type

    Synthetic

  • Durable water repellent

    Yes

  • Weight

    367 g

  • Hood

    Without Hood

  • Color

    Yellow

  • Features

    Thermal

  • Features

    Waterproof

  • Features

    Windproof

  • Features

    UV Protection

  • Features

    Stretch

  • Features

    Compressible

  • Gender

    Men

Features of Mammut Aconcagua

Hood Without Hood

Hood

Without Hood

Color Yellow

Color

Yellow

Features Thermal

Features

Thermal

Waterproof

Waterproof

Windproof

Windproof

UV Protection

UV Protection

Stretch

Stretch

Compressible

Compressible

Gender Men

Gender

Men

Key differentiators

Constructed with a commitment to sustainability, certified as a Bluesign® PRODUCT and under Fair Wear standards.

Engineered with Polartec® Power Stretch® Pro for warmth, 4-way stretch, and moisture management.

Features an Fit with raglan sleeves for unrestricted movement and comfort under a backpack.

Includes two zippered pockets placed for accessibility, even when wearing a climbing harness.

Offers thermal, windproof, waterproof, and UV protection properties for versatile use.

Technology in Mammut Aconcagua jacket

Energy rating

Warnings

/ 5

1 Reviews

What our customers are saying about Mammut Aconcagua jacket

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The question has already been answered, thank you very much for trying to help another customer. We will count on you for future questions.

Include AI Generated questions and answers

2026-09-25

Generated by AI and verified

Mammut Aconcagua jacket

What is the Mammut Aconcagua Jacket made from?

Answer of Generated by AI and verified

The Mammut Aconcagua Jacket is crafted from Polartec® Power Stretch® Pro material, which is a synthetic fabric blend composed of 52% Polyester, 39% Polyamide, and 9% Elastane. This material provides 4-way stretch for excellent freedom of movement.

* Generated by AI based on customer and product data

2026-09-25

Generated by AI and verified

Mammut Aconcagua jacket

Is the Mammut Aconcagua Jacket environmentally friendly?

Answer of Generated by AI and verified

Yes, this jacket demonstrates a commitment to sustainable and ethical production. It is a Bluesign® PRODUCT, which means it meets strict standards for environmental protection, consumer safety, and resource efficiency. It also has a Fair Wear certification, indicating that it is made under fair labor conditions.

* Generated by AI based on customer and product data

2026-09-25

Generated by AI and verified

Mammut Aconcagua jacket

What are the main features of the Aconcagua jacket?

Answer of Generated by AI and verified

The Aconcagua jacket is designed for performance with several key features. It is thermal, waterproof, and windproof, offering protection from the elements. The fabric provides UV protection and is designed to stretch for unrestricted movement. It also includes thumb loops, a full zipper closure, and two zippered pockets.

* Generated by AI based on customer and product data

2026-09-25

Generated by AI and verified

Mammut Aconcagua jacket

Is the Mammut Aconcagua Jacket worth the investment?

Answer of Generated by AI and verified

The Mammut Aconcagua Jacket offers a blend of warmth, durability, and versatility, making it a valuable addition for those who engage in outdoor activities. Its Polartec® Power Stretch® Pro material ensures comfort and performance.

* Generated by AI based on customer and product data

2026-09-25

Generated by AI and verified

Mammut Aconcagua jacket

Is the Mammut Aconcagua Jacket waterproof?

Answer of Generated by AI and verified

Yes, the product attributes confirm that this jacket is waterproof. It also features a durable water-repellent (DWR) finish for added protection against moisture.

* Generated by AI based on customer and product data

2026-09-25

Generated by AI and verified

Mammut Aconcagua jacket

Does this jacket have a hood?

Answer of Generated by AI and verified

No, the Mammut Aconcagua Jacket for men does not come with a hood.

* Generated by AI based on customer and product data

2026-09-25

Generated by AI and verified

Mammut Aconcagua jacket

How many pockets does the Aconcagua jacket have?

Answer of Generated by AI and verified

This jacket is equipped with two zippered pockets. The description notes they are designed to be accessible even when wearing a climbing harness.

* Generated by AI based on customer and product data

2026-09-25

Generated by AI and verified

Mammut Aconcagua jacket

What kind of fit does the Aconcagua jacket have?

Answer of Generated by AI and verified

The Mammut Aconcagua Jacket features an ' Fit'. This is complemented by raglan sleeves and 4-way stretch material to ensure a close-to-body fit that allows for a full range of motion during activities.

* Generated by AI based on customer and product data

2026-09-25

Generated by AI and verified

Mammut Aconcagua jacket

Can I use the Aconcagua jacket as a mid-layer?

Answer of Generated by AI and verified

Absolutely. The Aconcagua jacket is designed for versatility and works exceptionally well as a mid-layer under a shell jacket in colder or wetter conditions. Its thermal properties provide warmth without bulk, and its Fit allows it to be layered comfortably.

* Generated by AI based on customer and product data

2026-09-25

Generated by AI and verified

Mammut Aconcagua jacket

Is this jacket suitable for climbing and hiking?

Answer of Generated by AI and verified

Yes, this jacket is an excellent choice for dynamic activities like climbing and hiking. Its Polartec® Power Stretch® Pro material offers 4-way stretch for complete freedom of movement, and its moisture-wicking properties help keep you dry during intense activity.

* Generated by AI based on customer and product data

2026-09-25

Generated by AI and verified

Mammut Aconcagua jacket

Does this jacket offer sun protection?

Answer of Generated by AI and verified

Yes, the material used in the Mammut Aconcagua Jacket provides UV protection, making it a suitable outer layer for activities in sunny conditions.

* Generated by AI based on customer and product data

2026-09-25

Generated by AI and verified

Mammut Aconcagua jacket

Is this jacket designed for men?

Answer of Generated by AI and verified

Yes, this specific model, the Mammut Aconcagua Jacket Men, is designed for adult men, featuring an athletic fit tailored for a male physique.

* Generated by AI based on customer and product data

Ask a technical question about this product

Frequently bought together
Best sellers

Use cases

Technical Mid-Layer for Mountaineering and Climbing 90% Fit

The athletic fit and stretch fabric allow for unrestricted movement, while its thermal properties provide essential warmth. The two zippered pockets are designed to remain accessible even when wearing a climbing harness, making it a reliable upgrade for alpine pursuits.

Fit,Stretch fabric,Thermal insulation,Harness-compatible pockets

Versatile Layer for Hiking and Trekking 90% Fit

This jacket serves as a great all-rounder for changing mountain conditions, offering a balance of warmth, wind resistance, and breathability. Its compressible nature makes it easy to pack away when temperatures rise, providing solid performance for dedicated hikers.

Thermal,Windproof,Compressible,UV Protection

Standalone Jacket for Cool, Active Days 80% Fit

For high-output activities in cool weather, this jacket provides warmth without overheating. The durable water repellent finish sheds light moisture, and thumb loops help seal out drafts, making it a versatile outer layer for fast-paced adventures.

Durable water repellent finish,Thumb loops,Synthetic insulation,Raglan sleeves

Core Insulation for Ski Touring 85% Fit

As a mid-layer for ski touring, its synthetic insulation provides warmth even when damp, and the stretch fabric moves with you during ascents and descents. The absence of a hood makes it layer cleanly under a protective hardshell without bulk.

Synthetic insulation,Hoodless design,Stretch fabric,Thumb loops

Best for

Ideal for Alpine Climbers & Mountaineers

The jacket's athletic fit, 4-way stretch fabric, and harness-compatible zippered pockets provide unrestricted movement and essential functionality for climbing and mountaineering.

Based on: Active Lifestyle Compatibility, Fit: Fit, Features: Stretch, Pocket count: 2

A Solid Upgrade for Multi-Day Trekkers

This jacket offers excellent seasonal versatility, packing down easily while providing thermal, windproof, and water-repellent properties for unpredictable trail weather.

Based on: Seasonal Versatility, Features: Compressible, Thermal, Windproof, Durable water repellent: yes

Great All-Rounder for Active Layering

With its balance of thermal insulation, breathability, and stretch, this jacket is a perfect layering option for everything from hiking to everyday wear.

Based on: insulation_type: synthetic,: Stretch, Thermal

For the Eco-Conscious Adventurer

This jacket meets rigorous sustainability and fair production standards, as shown by its Bluesign® PRODUCT and Fair Wear certifications.

Based on: Fashion, Ecology: Bluesign® PRODUCT, Fair Wear

Benefits

FunctionalAdapts to Your Activity with a Flexible Fit

Engineered for adaptability, this jacket's ' Fit' and stretch fabric make it an ideal layering piece. It can be worn comfortably as a mid-layer under a shell or as a standalone jacket, providing versatility for changing conditions and activity levels.

Fit: Fit

Features: Compressible

Stretch

Thermal

UV Protection

Waterproof

Windproof

FunctionalWear Your Commitment to Sustainability

Make a responsible choice without compromising on quality. This jacket is recognized as a Bluesign® PRODUCT and is produced under Fair Wear conditions, reflecting a commitment to sustainable materials and ethical manufacturing processes.

Ecology: Bluesign® PRODUCT

Fair Wear

Ideal buyer profiles

The Mountaineer

This individual engages in mountain sports and requires technical apparel that performs across a range of conditions. They prioritize gear that is versatile, durable, and can be layered effectively as part of a system.

The Mammut Aconcagua Jacket is an ideal mid-layer for the mountaineer. Its synthetic thermal insulation provides warmth, while the stretch fabric and athletic fit ensure unrestricted movement. Features like windproof and water-repellent properties offer protection, and its compressible nature makes it easy to pack.

The Climber

The climber, whether on rock, ice, or in the gym, needs apparel that moves with them without restriction. They value a streamlined fit, durability to withstand abrasion, and features that are compatible with a climbing harness.

With its athletic fit, raglan sleeves, and stretch composition, this jacket offers the mobility a climber demands. The two zippered pockets are designed to remain accessible even when wearing a harness, and the thumb loops help keep sleeves in place during long reaches.

The Thru-Hiker

Spending extended periods on the trail, the thru-hiker looks for gear that is multifunctional, lightweight, and reliable. They need clothing that adapts to changing weather, dries quickly, and packs down small to conserve space.

This jacket's compressible design is perfect for the thru-hiker's pack. Its synthetic material is quick-drying and moisture-wicking, making it a reliable thermal piece for cool evenings or a protective outer layer in windy conditions. The UV protection is an added benefit for long days of exposure.

The Eco-Conscious Adventurer

This buyer makes purchasing decisions that align with their environmental and ethical values. They actively seek out brands and products with transparent, sustainable manufacturing practices without compromising on performance.

The Aconcagua Jacket meets the needs of the eco-conscious adventurer with its Bluesign® PRODUCT and Fair Wear certifications. These credentials demonstrate a commitment to responsible manufacturing and ethical standards, allowing the buyer to choose high-performance gear that aligns with their values.

Competitive features

The Mammut Aconcagua Jacket for Men is a third-generation performance fleece engineered for versatility across alpine activities. Crafted from Polartec® Power Stretch® Pro, it emphasizes warmth, moisture management, and freedom of movement. When compared with alternatives like the Trespass Hudsan or various Regatta and Gonso jackets, the Aconcagua's specific material technology and athletic design set it apart as a premium mid-layer.

Where it excels

Constructed from Polartec® Power Stretch® Pro fabric, this jacket offers an excellent combination of warmth, quick-drying properties, and efficient moisture-wicking without adding bulk. Engineered with 4-way stretch material, an Fit, and raglan sleeves, it provides outstanding freedom of movement, making it ideal for dynamic activities like climbing and hiking. Functional design details, including a flat chinguard for comfort and integrated thumb loops, enhance its utility as both a standalone jacket and a technical mid-layer.

Consider alternatives if...

Verdict

The Mammut Aconcagua Jacket is a highly technical and versatile fleece that excels as a performance mid-layer. Its use of Polartec® Power Stretch® Pro fabric delivers superior warmth-to-weight, stretch, and moisture management. While other jackets may serve general outdoor purposes, the Aconcagua is specifically tailored for those who require unrestricted movement and reliable thermal regulation during demanding adventures like hiking and climbing.

Specs comparison

Favorite On Favorite Off
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Materialsyntheticsyntheticsyntheticsyntheticsyntheticsynthetic
Hood IncludedNoYesNoYesYesYes
Insulation Typesyntheticshellsyntheticsyntheticsynthetic-
Pocket Count2-2143
Closure Systemzipper-zipperzipperzipper-

Specs vs competitors

Favorite On Favorite Off
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Materialsynthetic100% recycled polyestersyntheticsynthetic100% recycled polyester
Hood IncludedNoNoYesNoYes
Insulation Typesyntheticdownsyntheticsyntheticdown, synthetic, fleece
Pocket Count22333
Closure Systemzipperzipper-zipperzipper
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