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Montane Stratum jacket

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Features of Montane Stratum

Product description of Montane Stratum jacket

Description summary

Conquer demanding mountain activities with the Montane Stratum jacket. This technical midlayer excels in stop-start pursuits, featuring strategically mapped PRIMALOFT® Gold Active Vent insulation for warmth and OCTA® fleece for superior moisture management. The ultra-breathable Featherlite™ Stretch Air fabric ensures unrestricted movement, while the technical climbing features, including a low-profile elasticated hood and harness-compatible chest pockets, make it ideal for cold, technical environments. Stay warm, dry, and agile with this performance-driven jacket

The Montane Stratum insulated jacket is a technical midlayer perfect for stop-start activities and high-intensity mountain pursuits. This adaptable jacket features carefully mapped PRIMALOFT® Gold Active Vent insulation through the shoulders, top of the arms and front, and OCTA® fleece to aid moisture management and thermoregulation ensuring you stay warm and dry when working hard.

Our Featherlite™ Stretch Air fabric provides an unparalleled breathability, and maximises freedom of movement during dynamic activities. With an uncompromised technical climbing feature set the Stratium Hoodie is designed to allow the wearer to excel in cold technical mountain environments.

Features:

- Hood: Elasticated hood system for a lightweight, low profile construction
- Elasticated Cuffs: Elasticated stretch fabric cuffs with integrated thumb loops for additional protection, keeping sleeves in position when reaching high
- Fleece Lined: OCTA® fleece lining to insulate and manage moisture where heat and sweat builds up.
- Chest Pockets: 2x pack and harness compatible YKK NATULON® recycled zippedchest pockets.
- Featherlite™ Stretch Air: Nylon fabric engineered to maximise breathability, freedom of movement and comfort without sacrificing durability. Finsihed with a nonfluorocarbon water repellent.
- Primaloft® Active Vent Insulation: Lightweight, warm and thermally efficient designed for breathability, packability and effective moisture management. Mapped to the top of the arms, shoulders and front.
- OCTA® 100 Lining: Fleece fibre with a unique construction that is super lightweight, quick drying, highly breathable and extremely warm.
- Reach +: Reach + fit construction offers unparalleled arm lift and articulation for excellent movement and reach
- Low Profile Seams: Low profile seams throughout increase durability and comfort

Specifications:

- Weight: 450 g
- Materials: 91% Nylon, 9% Elastane, 100% Polyester (80% recycled), 100% Polyester (recycled)

Technology:

Featherlite Stretch:
- Featherlite Stretch Air is a lightweight stretch plain-weave nylon fabric engineered for maximum breathability. With an air permeability of less than 30 CFM, it provides excellent air flow, making it an optimal outer fabric for active insulation systems that efficiently manage moisture during high-output activities.

Octa 100:
- The innovative structure of the fibres in the Octa 100 fleece lining means that it excels in efficient thermal and moisture management, to keep you warm without overheating. Octa fleece’s unique structure makes it quick-drying, breathable, lightweight, and extremely warm for it´s weight.

Primaloft® Gold Active Vent. Lightweight Warmth And Thermal Efficiency:
- PrimaLoft® Gold Active Vent insulation strategically uses microfibres for industry leading performance. Mapped to the front, shoulders and top of the arms, this insulation enables air flow and actively manages moisture by allowing water vapour to escape, to regulate body temperature for all day comfort. It´s warm, durable, and soft, featuring 4-way stretch to allow a wider range of motion so you can move freely during any activity.

Technical specifications of Montane Stratum

  • Waterproof Membrane

    Shell

  • Ventilation / Breathability

    Featherlite™ Stretch Air

  • Durable water repellent

    Yes

  • Weight

    450 g

  • Hood

    With Hood

  • Color

    Blue

  • Features

    Thermal

  • Features

    Waterproof

  • Features

    Windproof

  • Features

    Stretch

  • Features

    Compressible

  • Gender

    Men

  • Kind of Jacket

    Insulated synthetic

Features of Montane Stratum

Hood With Hood

Hood

With Hood

Color Blue

Color

Blue

Features Thermal

Features

Thermal

Waterproof

Waterproof

Windproof

Windproof

Stretch

Stretch

Compressible

Compressible

Gender Men

Gender

Men

Kind of Jacket Insulated synthetic

Kind of Jacket

Insulated synthetic

Key differentiators

Constructed with Featherlite™ Stretch Air fabric for enhanced breathability and freedom of movement.

Engineered with Reach + fit construction for excellent arm lift and articulation.

Features mapped PRIMALOFT® Gold Active Vent insulation for breathable warmth.

Includes a technical feature set with a low-profile hood and harness-compatible chest pockets.

Utilizes an OCTA® fleece lining for superior moisture management and quick-drying performance.

Technology in Montane Stratum jacket

Energy rating

Warnings

/ 5

1 Reviews

What our customers are saying about Montane Stratum 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

2026-09-27

Generated by AI and verified

Montane Stratum jacket

What kind of insulation does the Montane Stratum Jacket use?

Answer of Generated by AI and verified

The Montane Stratum Jacket features a combination of synthetic and fleece insulation. It uses strategically mapped PRIMALOFT® Gold Active Vent insulation for warmth and an OCTA® fleece lining to help manage moisture and improve thermoregulation.

* Generated by AI based on customer and product data

2026-09-27

Generated by AI and verified

Montane Stratum jacket

Is the Montane Stratum Jacket suitable for men?

Answer of Generated by AI and verified

Yes, this jacket is designed for adult men, as indicated by its 'male' gender and 'adult' age group specifications.

* Generated by AI based on customer and product data

2026-09-27

Generated by AI and verified

Montane Stratum jacket

What materials are used in the Montane Stratum Jacket?

Answer of Generated by AI and verified

This jacket is made from synthetic materials, including the ultra-breathable Featherlite™ Stretch Air fabric for the shell, which is designed to maximize freedom of movement and comfort. The insulation is also synthetic, featuring PRIMALOFT® Gold Active Vent and OCTA® fleece.

* Generated by AI based on customer and product data

2026-09-27

Generated by AI and verified

Montane Stratum jacket

Does the Montane Stratum Jacket have a hood?

Answer of Generated by AI and verified

Yes, the jacket includes a low-profile, elasticated hood system designed to be lightweight and functional.

* Generated by AI based on customer and product data

2026-09-27

Generated by AI and verified

Montane Stratum jacket

What kind of pockets does the Stratum jacket have?

Answer of Generated by AI and verified

The jacket is equipped with two chest pockets that are compatible with a pack and harness. They feature YKK NATULON® recycled zippers.

* Generated by AI based on customer and product data

2026-09-27

Generated by AI and verified

Montane Stratum jacket

Does this jacket have any features for climbing?

Answer of Generated by AI and verified

Yes, it has several features suited for climbing, including harness-compatible chest pockets and elasticated cuffs with integrated thumb loops to keep the sleeves in place when reaching high.

* Generated by AI based on customer and product data

2026-09-27

Generated by AI and verified

Montane Stratum jacket

Is the fabric of the Stratum jacket water repellent?

Answer of Generated by AI and verified

The Featherlite™ Stretch Air fabric used in this jacket is finished with a non-fluorocarbon water repellent treatment to provide some protection from moisture.

* Generated by AI based on customer and product data

2026-09-27

Generated by AI and verified

Montane Stratum jacket

What activities is the Montane Stratum Jacket best for?

Answer of Generated by AI and verified

This jacket is designed as a technical midlayer, making it ideal for demanding, stop-start mountain activities like technical climbing. Its combination of mapped insulation and breathable fabrics is engineered to keep you warm and dry during high-intensity pursuits in cold environments.

* Generated by AI based on customer and product data

2026-09-27

Generated by AI and verified

Montane Stratum jacket

Can I wear this jacket as a midlayer?

Answer of Generated by AI and verified

Yes, the Montane Stratum Jacket is specifically designed to function as a technical midlayer. Its features are optimized for layering during high-intensity activities in cold, technical mountain environments.

* Generated by AI based on customer and product data

2026-09-27

Generated by AI and verified

Montane Stratum jacket

How does the Montane Stratum Jacket compare to the Montane Caldus Xt Jacket?

Answer of Generated by AI and verified

The Montane Stratum Jacket is designed as a technical midlayer with advanced features like PRIMALOFT® Gold Active Vent insulation and OCTA® fleece for active use. The Montane Caldus Xt Jacket is made from 100% polyester and is positioned at a different price point. The Stratum is geared towards high-intensity mountain pursuits where breathability and moisture management are key.

* Generated by AI based on customer and product data

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Use cases

Mid-Layer for Cold Weather Mountaineering 90% Fit

This jacket's fleece and synthetic insulation provide crucial core warmth without excessive bulk, making it an ideal mid-layer under a hardshell for high-output activities in cold environments. It's designed for adult male users engaged in serious mountain pursuits.

Fleece insulation,Synthetic insulation,Designed for adult males

Outer Layer for Cool, Dry Alpine Hiking 80% Fit

In cool, dry conditions above the treeline, this jacket serves as an effective outer layer, offering thermal regulation and breathability. The synthetic construction is well-suited for active use where managing moisture is key.

Synthetic material construction,Fleece insulation for warmth,Hood for added protection

Backcountry Ski Touring 85% Fit

As a component of a layering system for ski touring, this fleece jacket offers excellent thermal efficiency for the uphill ascent and can be worn under a shell for wind and snow protection on the descent. Its synthetic properties help manage perspiration during intense effort.

Synthetic insulation,Breathable synthetic material,Designed for adult athletes

Cool Weather Rock Climbing & Bouldering 75% Fit

For climbing sessions on cool days, this fleece provides necessary warmth at the crag or between bouldering problems without being overly restrictive. The synthetic material offers durability needed for contact with rock surfaces.

Fleece for warmth,Durable synthetic material,Hood for wind protection

Best for

Ideal for High-Altitude Pursuits

This jacket's synthetic and fleece insulation provides crucial warmth for high-altitude activities, making it a reliable piece of performance outerwear.

On: insulation_type: synthetic, fleece

Best for Vertical Climbers

Engineered for active use, this jacket offers the performance needed for climbing without compromising on warmth, thanks to its dual synthetic and fleece insulation.

Based on: Active Lifestyle Compatibility

A Solid Choice for Long-Distance Treks

With its durable synthetic construction and versatile insulation, this jacket is built to withstand varied conditions encountered on long-distance trails.

Based on: Weather Resistance & Durability

Excellent for Multi-Season Layering

The combination of synthetic and fleece insulation makes this a highly versatile layering piece, adaptable for changing weather across different seasons.

Based on: Seasonal Versatility

Benefits

Ideal buyer profiles

The Mountaineer

This individual participates in high-altitude mountain activities and requires gear that offers reliable warmth and can be layered effectively. They face unpredictable weather and need outerwear that performs consistently in cold conditions.

The Montane Stratum Jacket's combination of synthetic and fleece insulation provides crucial warmth for high-altitude environments. Its design as an outerwear piece allows it to be integrated into a layering system, which is essential for managing temperature during strenuous mountain ascents.

The Climber

Whether bouldering or on a multi-pitch route, the climber needs apparel that provides warmth without restricting movement. They often spend long periods stationary while belaying, making insulation a key factor, especially in cooler weather.

With its synthetic and fleece insulation, this jacket offers warmth for chilly days at the crag or between climbs. As a layering piece, it provides protection from the elements while being part of a system that allows for adaptability as activity levels change.

The Thru-Hiker

Embarking on long-distance treks, the thru-hiker meticulously selects each piece of gear for its performance and versatility. They need a reliable insulated jacket for cold evenings at camp and for hiking through high passes or in shoulder seasons.

This jacket serves as a vital insulated layer for the thru-hiker. The synthetic and fleece insulation provides dependable warmth after a long day on the trail or when temperatures drop unexpectedly, making it a versatile component of a minimalist hiking kit.

Competitive features

When selecting a technical midlayer for mountain activities, it's important to understand how different jackets are designed to perform. The Montane Stratum Jacket is engineered for stop-start pursuits, balancing insulation and breathability. We're comparing it to other options from Montane, Black Diamond, and Millet to help you see where it fits in the landscape of performance outerwear.

Where it excels

The Montane Stratum Jacket excels in dynamic, high-intensity mountain pursuits where conditions can change rapidly. Its design focuses on thermoregulation during stop-start activities. It features a specialized construction with strategically mapped PRIMALOFT® Gold Active Vent insulation and OCTA® fleece, a combination tailored for active warmth and superior moisture management. The use of Featherlite™ Stretch Air fabric and climbing-specific features like a low-profile hood and harness-compatible pockets make it particularly well-suited for technical mountain environments.

Consider alternatives if...

Verdict

The Montane Stratum Jacket is a highly specialized technical midlayer designed for active use in the mountains. Its key strengths lie in its sophisticated body-mapped insulation and moisture-wicking capabilities, making it an excellent choice for stop-start activities like climbing and mountaineering where thermoregulation is critical. While other jackets may focus on pure warmth or packability, the Stratum prioritizes performance during strenuous movement.

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