Arc'teryx Delta Hoody Men's vs Mammut Tamaro ML Hooded Jacket

Editorial Team
Last modified at July 22, 2026
When it comes to fleece jackets for hiking, two names often surface: Arc'teryx’s Delta Hoody and Mammut’s Tamaro ML Hooded Jacket. Both aim to keep you comfortable on the trail, but they differ in how they balance warmth, durability, fit, and weather protection.

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Arc'teryx Delta Hoody Men'sMammut Tamaro ML Hooded Jacket
Delta Hoody Men's
Tamaro ML Hooded Jacket
Weight

9.2 oz

16.2 oz

Stretch

Phasic™ AR II fabric offers stretch

Mammut stretch rating: 3/6

Pockets

Two hand pockets and one laminated chest pocket

Zippered front pockets and chest pocket

Zipper Type

Full-length center-front zipper

Not specified by manufacturer

Material Type

Phasic™ AR II engineered polyester fleece

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

Warranty

Limited Warranty — practical product lifespan

2-Year Quality Guarantee

Fit

Roomier fit in the body and sleeves

Regular Fit

Seam Construction

Flatlock seam construction

Not specified by manufacturer

Collar Style

Low-profile, helmet-compatible ScubaHood™ with chin guard

Hooded

Warmth

Delta Hoody Men's

4.7/ 5.0

Tamaro ML Hooded Jacket

3.6/ 5.0

Warmth is critical on the trail because a fleece must keep you comfortable during cold ascents and early mornings. A jacket that retains heat without adding bulk lets you layer efficiently. The Arc'teryx Delta Hoody consistently receives praise for being “really warm and cozy,” providing an extra insulating layer that works even in winter conditions. In contrast, the Mammut Tamaro ML relies on under‑arm pit zips to dump heat, indicating a lower overall warmth level. For hikers who need maximum heat retention, the Delta Hoody is the clear winner.

Comfort

Delta Hoody Men's

4.4/ 5.0

Tamaro ML Hooded Jacket

3.9/ 5.0

Comfort determines how freely you can move and how pleasant the jacket feels during long days on the trail. Soft, lightweight fleece reduces fatigue and lets you focus on the hike. Buyers describe the Delta Hoody as “nice and soft,” “light,” and “quick‑dry,” highlighting a plush, unobtrusive feel. The Tamaro ML is noted as “extremely comfortable,” but fewer comments mention softness or weight. Overall, the Delta Hoody edges ahead in comfort.

Durability

Delta Hoody Men's

3.3/ 5.0

Tamaro ML Hooded Jacket

3.7/ 5.0

Durability matters when a jacket is exposed to rocks, branches, and variable weather. A rugged shell prolongs the life of your gear and saves money. The Mammut Tamaro ML is praised for being “very rugged and durable” and “protective,” indicating strong resistance to wear. The Delta Hoody has limited durability feedback, with only a single comment about reliability in tough conditions. For hikers who prioritize long‑term toughness, the Tamaro ML takes the lead.

Fit

Delta Hoody Men's

4.3/ 5.0

Tamaro ML Hooded Jacket

3.7/ 5.0

Fit influences both mobility and how well the jacket layers under a shell. A trim yet roomy cut with thoughtful details like thumb holes and helmet‑compatible hoods enhances on‑the‑move comfort. The Delta Hoody is celebrated for its “trim fitting,” “roomy sleeves,” and features such as thumb holes and a low‑profile ScubaHood™. The Tamaro ML offers “great articulation” and a hood that fits a helmet, but its overall fit is described as regular. Consequently, the Delta Hoody provides the superior fit for active hikers.

Breathability

Delta Hoody Men's

3.9/ 5.0

Tamaro ML Hooded Jacket

3.6/ 5.0

Breathability lets sweat escape, preventing overheating during high‑intensity sections. Effective moisture‑wicking and air permeability keep you dry. Users highlight the Delta Hoody’s “moisture‑wicking,” “very air permeable,” and ability to “dump heat” without trapping sweat. The Tamaro ML’s breathability is mainly addressed through pit zips, offering less overall airflow. Therefore, the Delta Hoody wins on breathability.

Weather Resistance

Delta Hoody Men's

3.4/ 5.0

Tamaro ML Hooded Jacket

3.9/ 5.0

Weather resistance determines how well a fleece shields you from wind and light precipitation, crucial in alpine environments. A jacket with robust DWR or layered construction can keep you dry longer. The Tamaro ML earns praise for its three‑layer construction, water‑resistant zip, and ability to protect against snow and bad weather. The Delta Hoody provides moderate DWR and wind barrier but less comprehensive protection. For hikers who expect wet or windy conditions, the Tamaro ML is the better choice.

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Conclusion & Final Verdict:

Verdict: If your top priority is lightweight warmth, comfort, and breathability, the Arc'teryx Delta Hoody is the better pick. If you need a tougher shell that can stand up to rain, wind, and rugged use, the Mammut Tamaro ML Hooded Jacket is the smarter choice. Consider the trade‑offs and select the jacket that aligns with the conditions you hike most often.

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