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Rab Ascendor Light Hoody vs Mammut Tamaro ML Hooded Jacket

Editorial Team
Last modified at August 9, 2026
When choosing a fleece jacket for hiking, the Rab Ascendor Light Hoody and the Mammut Tamaro ML Hooded Jacket stand out for their unique strengths. The Rab Ascendor Light Hoody is praised for its excellent warmth-to-weight ratio and breathability, making it ideal for active use in chilly conditions. On the other hand, the Mammut Tamaro ML Hooded Jacket offers superior weather resistance and durability, making it a reliable choice for rugged terrain and variable weather conditions.

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Rab Ascendor Light HoodyMammut Tamaro ML Hooded Jacket
Rab Ascendor Light Hoody
Tamaro ML Hooded Jacket
Weight

10.9 oz

16.2 oz

Stretch

Yes

Mammut stretch rating: 3/6

Pockets

Hand pockets: 2
Chest pocket: 1

Zippered front pockets and chest pocket

Zipper Type

Full-length front zip

Not specified by manufacturer

Material Type

Main fabric: Thermic™ S Soft Fleece Fabric with Striped Backer (165gsm)
Secondary fabric: Matrix™ Single Weave Softshell with fluorocarbon-free DWR (136gsm)

Main material: 100% Recycled Polyester
Insert: 82% Bio Cotton, 16% Hemp, 2% Spandex
Lining: 100% Recycled Polyester

Warranty

3 Years

2-Year Quality Guarantee

Fit

Slim

Regular Fit

Seam Construction

Flatlocked seams

Not specified by manufacturer

Collar Style

Under-helmet hood

Hooded

Warmth

Rab Ascendor Light Hoody

4.6/ 5.0

Tamaro ML Hooded Jacket

3.6/ 5.0

Warmth is crucial for fleece jackets, especially in chilly mountain conditions. A jacket that provides excellent warmth ensures comfort and safety during outdoor activities. The Rab Ascendor Light Hoody excels in this category with its high warmth-to-weight ratio, making it ideal for cold conditions. Buyers consistently praise its ability to provide a lot of warmth and its lightweight warm fleece. In contrast, the Mammut Tamaro ML Hooded Jacket, while still warm, does not offer the same level of warmth as the Rab Ascendor Light Hoody. The underarm pit zips help with heat regulation but do not match the overall warmth provided by the Rab Ascendor Light Hoody.

Comfort

Rab Ascendor Light Hoody

4.6/ 5.0

Tamaro ML Hooded Jacket

3.9/ 5.0

Comfort is essential for any hiking jacket, as it directly impacts the overall experience. A comfortable jacket allows for unrestricted movement and keeps you feeling good throughout your hike. The Rab Ascendor Light Hoody is highly praised for its soft and stretchy fleece, which provides a comfortable fit and excellent moisture-wicking properties. Buyers highlight its nice and soft texture and very comfortable feel. The Mammut Tamaro ML Hooded Jacket is also comfortable, with good visibility and movement, but it does not match the level of comfort provided by the Rab Ascendor Light Hoody.

Durability

Rab Ascendor Light Hoody

3.0/ 5.0

Tamaro ML Hooded Jacket

3.7/ 5.0

Durability is important for fleece jackets, especially for those who hike in rough terrain. A durable jacket can withstand abrasions and last longer, providing better value for money. The Mammut Tamaro ML Hooded Jacket is noted for its rugged and durable construction, making it a better choice for rough terrain. Buyers mention its very rugged and durable fabric. The Rab Ascendor Light Hoody, while still durable, does not have the same level of durability as the Mammut Tamaro ML Hooded Jacket, making it less suitable for extremely rugged conditions.

Fit

Rab Ascendor Light Hoody

4.8/ 5.0

Tamaro ML Hooded Jacket

3.7/ 5.0

Fit is crucial for a fleece jacket, as it affects both comfort and functionality. A well-fitting jacket allows for easy layering and unrestricted movement. The Rab Ascendor Light Hoody is praised for its slim and trim fit, which is designed for movement and provides excellent flexibility. Buyers highlight its very trim fitting and slim fit, which allows for total movement. The Mammut Tamaro ML Hooded Jacket has a regular fit with great articulation and a hood that fits nicely, but it does not offer the same level of fit as the Rab Ascendor Light Hoody.

Breathability

Rab Ascendor Light Hoody

4.1/ 5.0

Tamaro ML Hooded Jacket

3.6/ 5.0

Breathability is essential for active hikers, as it helps regulate body temperature and manage sweat. A breathable jacket ensures comfort during high-output activities. The Rab Ascendor Light Hoody is highly breathable, with buyers praising its ability to allow airflow and manage sweat well. The Mammut Tamaro ML Hooded Jacket, while still breathable, does not match the level of breathability provided by the Rab Ascendor Light Hoody. The underarm pit zips help with ventilation but are not as effective as the breathable fabric of the Rab Ascendor Light Hoody.

Weather Resistance

Rab Ascendor Light Hoody

4.3/ 5.0

Tamaro ML Hooded Jacket

3.9/ 5.0

Weather resistance is important for fleece jackets, as it determines how well the jacket can protect against wind and light rain. A weather-resistant jacket ensures comfort and protection in variable conditions. The Rab Ascendor Light Hoody offers good weather resistance with its wind-resistant fabric and DWR coating, making it suitable for a range of weather conditions. The Mammut Tamaro ML Hooded Jacket, with its three-layer construction and water-resistant zip, provides excellent weather resistance, making it a better choice for more extreme weather conditions.

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Conclusion & Final Verdict:

In conclusion, the Rab Ascendor Light Hoody is the better choice for hikers who prioritize warmth, breathability, and a lightweight design. Its excellent warmth-to-weight ratio, superior comfort, and breathability make it ideal for active use in chilly conditions. However, if you need a jacket with better durability and weather resistance for rugged terrain, the Mammut Tamaro ML Hooded Jacket is a solid option. Ultimately, the choice depends on your specific needs and the conditions you plan to hike in.

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