Rab Men's Neutrino Pro Down Jacket vs Mammut Broad Peak IN Hooded Jacket

Editorial Team
Last modified at July 3, 2026
When it comes to choosing the right down jacket for hiking, the Rab Men's Neutrino Pro Down Jacket and the Mammut Broad Peak IN Hooded Jacket are both excellent options. Each jacket has its unique strengths, making them suitable for different types of hikers and conditions. This comparison will help you understand which jacket might be the best fit for your outdoor adventures.

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Rab Men's Neutrino Pro Down JacketMammut Broad Peak IN Hooded Jacket
Men's Neutrino Pro Down Jacket
Mammut Broad Peak IN Hooded Jacket
Fill Power

800

800

Weight

19.9 oz

13.5 oz

Water Resistance

Water Resistant

water-repellent

Denier

20D

20D x 20D

Shell Fabric

Pertex Quantum Pro

Pertex Quantum (100% recycled Polyamide)

Warranty

Rab Promise warranty

N/A

Dwr Finish

PFC-free DWR

PFC-free DWR

Hydrophobic Down

Yes

Yes (responsibly sourced hydrophobic down)

Baffle Construction

Stitch-through baffles

N/A

Pocket Count

Slant Pockets: 2

4 pockets

Zipper Type

Zipper

YKK Vislon 2-way zipper

Hood Adjustability

Adjustable hood

elasticated border

Baffle Size

N/A

N/A

Warmth

Men's Neutrino Pro Down Jacket

4.6/ 5.0

Mammut Broad Peak IN Hooded Jacket

4.4/ 5.0

Warmth is a critical factor for down jackets, especially for cold-weather hikes where maintaining body heat is essential. A jacket with superior warmth ensures that you stay comfortable and safe in chilly conditions. The Rab Men's Neutrino Pro Down Jacket excels in this category with its 800-fill hydrophobic down, which provides exceptional warmth even in damp or snowy conditions. It also features a high loft and excellent warmth-to-weight ratio, making it ideal for cold-weather hikes. The Mammut Broad Peak IN Hooded Jacket also offers excellent warmth with its high-fill down and wind-resistant fabric, but some users found it slightly less warm than the Neutrino Pro. Therefore, if warmth is your top priority, the Neutrino Pro is the better choice.

Fit

Men's Neutrino Pro Down Jacket

4.7/ 5.0

Mammut Broad Peak IN Hooded Jacket

3.9/ 5.0

A good fit is crucial for comfort and layering options during hikes. The Rab Men's Neutrino Pro Down Jacket offers a regular fit with articulated sleeves, providing plenty of room for layering while maintaining comfort and mobility. It also features an adjustable hem, Velcro cuffs, and a helmet-compatible hood, making it versatile for various activities. On the other hand, the Mammut Broad Peak IN Hooded Jacket has an elasticated hood and cuffs that provide a secure fit, but some users found the cut a bit tight for layering. If you need a jacket that offers a more accommodating fit for layering, the Neutrino Pro is the better option.

Durability

Men's Neutrino Pro Down Jacket

4.7/ 5.0

Mammut Broad Peak IN Hooded Jacket

3.7/ 5.0

Durability is essential for withstanding the rigors of outdoor activities. The Rab Men's Neutrino Pro Down Jacket is built with Pertex Quantum Pro ripstop nylon and a PFC-free DWR finish, making it highly durable and resistant to wind, water, and abrasion. This jacket is designed to protect you from stiff winds, abrasive rocks, and light precipitation, ensuring it can handle tough environments. The Mammut Broad Peak IN Hooded Jacket also features abrasion-resistant Pertex Quantum fabric, but it has minor issues like loose threads that can affect its long-term durability. For a jacket that can withstand rough terrain and regular use, the Neutrino Pro is the clear winner.

Comfort

Men's Neutrino Pro Down Jacket

4.4/ 5.0

Mammut Broad Peak IN Hooded Jacket

4.7/ 5.0

Comfort is key for enjoying long hikes without feeling restricted or irritated. The Mammut Broad Peak IN Hooded Jacket stands out in this category with its plush microfleece lining and smooth zippers, providing a cozy and comfortable feel against the skin. It is designed to be very comfortable and well-built, making it ideal for extended wear. The Rab Men's Neutrino Pro Down Jacket is also comfortable with its lightweight design and soft fabric, but it doesn't quite match the cozy feel of the Broad Peak. If comfort is your top priority, the Broad Peak is the better choice.

Packability

Men's Neutrino Pro Down Jacket

4.6/ 5.0

Mammut Broad Peak IN Hooded Jacket

4.6/ 5.0

Packability is important for hikers who need to save space in their backpacks. Both jackets excel in this category, being easily compressible and lightweight. The Mammut Broad Peak IN Hooded Jacket is extremely compressible and can stuff into its own pocket, making it very convenient for travel and storage. The Rab Men's Neutrino Pro Down Jacket also packs down small and is easy to carry, ensuring it doesn't take up much space in your backpack. Since both jackets perform equally well in this category, it's a tie.

Mobility

Men's Neutrino Pro Down Jacket

4.4/ 5.0

Mammut Broad Peak IN Hooded Jacket

4.3/ 5.0

Mobility is crucial for active use, allowing for a good range of motion during hikes. Both jackets offer excellent mobility with features like articulated arms and adjustable cuffs, hem, and hood. The Rab Men's Neutrino Pro Down Jacket allows for unrestricted movement during active use, making it suitable for various outdoor activities. The Mammut Broad Peak IN Hooded Jacket also offers good mobility with features like thumb hooks and harness-compatible pockets, designed for climbers and active users. With both jackets providing similar levels of mobility, this category is a tie.

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Conclusion & Final Verdict:

In conclusion, both the Rab Men's Neutrino Pro Down Jacket and the Mammut Broad Peak IN Hooded Jacket are excellent choices for hikers, but they cater to different needs. The Neutrino Pro is the better option if you prioritize warmth, durability, and fit, making it ideal for cold-weather hikes and rugged conditions. On the other hand, the Broad Peak is the go-to jacket if you value comfort and packability, making it perfect for mobile adventures and extended wear.

Choose the Rab Men's Neutrino Pro Down Jacket for its superior warmth and durability, or opt for the Mammut Broad Peak IN Hooded Jacket for its exceptional comfort and packability.

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