Outdoor Research Helium UL Pant vs Patagonia Torrentshell 3L Rain Pants

Editorial Team
Last modified at July 3, 2026
When it comes to choosing the best rain pants for hiking, the Outdoor Research Helium UL Pant and the Patagonia Torrentshell 3L Rain Pants are two top contenders. Both offer excellent waterproofing and durability, but they cater to slightly different needs. The Helium UL Pant is exceptionally lightweight and packable, making it a great choice for those who prioritize minimalism and ease of carrying. On the other hand, the Torrentshell 3L offers superior durability and comfort, making it ideal for rugged terrain and longer hikes.

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Outdoor Research Helium UL PantPatagonia Torrentshell 3L Rain Pants
Outdoor Research Helium UL PantPatagonia Torrentshell 3L Rain Pants
Hydrostatic Head

15,000 mm (fabric-family rating)

20,000 mm

Denier

15D

50D

Weight

5.75 oz

11.3 oz

Material

100% Nylon

Shell: 100% nylon 3-layer H2No® Performance Standard waterproof/breathable fabric with a durable water repellent (DWR) finish Lining: 100% recycled polyester plain weave

Seam Sealing

Fully-taped seams

Fully taped seams

Warranty

Outdoor Research Infinite Guarantee

Patagonia Ironclad Guarantee

Packed Size

Back pocket doubles as stuff sack

Not self-stowing

Layer Count

2.75-layer

3

Waistband Type

Elastic waistband with drawcord

Elastic waistband with drawcord and buckle closure

Articulated Knees

No

Yes

Pocket Count

1

2 zippered handwarmer pockets

30000 Mm

Not applicable - no separate 30,000 mm rating field

Not applicable - no separate 30,000 mm rating field

Gore-Tex Infinium

No

No

Waterproofing

Outdoor Research Helium UL Pant

4.8/ 5.0

Patagonia Torrentshell 3L Rain Pants

4.2/ 5.0

Waterproofing is crucial for rain pants as it ensures you stay dry in wet conditions. The Outdoor Research Helium UL Pant excels in this category with a rating of 4.8/5, praised for its fully waterproof protection, sealed seams, and waterproof zippers. Buyers highlight its reliability in heavy rain without any issues of leaking. The Patagonia Torrentshell 3L, with a rating of 4.2/5, also offers strong waterproofing with its H2No Performance Standard shell and durable water repellent finish. However, it has a few complaints about wetting through, which slightly affects its score. For those who need the highest level of waterproofing, the Helium UL Pant is the clear winner.

Breathability

Outdoor Research Helium UL Pant

4.4/ 5.0

Patagonia Torrentshell 3L Rain Pants

4.2/ 5.0

Breathability is important to prevent overheating and sweating during physical activities. The Helium UL Pant scores 4.4/5, with buyers praising its breathable material and good ventilation, making it suitable for warm conditions. The Torrentshell 3L, with a score of 4.2/5, also offers good breathability with its three-layer waterproof breathable fabric and pit zips. While both pants perform well, the Helium UL Pant has a slight edge due to its Pertex material that breathes well, making it more comfortable for extended use in varying temperatures.

Durability

Outdoor Research Helium UL Pant

4.1/ 5.0

Patagonia Torrentshell 3L Rain Pants

4.4/ 5.0

Durability ensures that your rain pants can withstand the rigors of hiking and last for many trips. The Torrentshell 3L scores higher in this category with a 4.4/5 rating, praised for its 50 denier fabric that is thick, burly, and robust. Buyers note its long-lasting durability and resistance to abrasion. The Helium UL Pant, with a 4.1/5 rating, is also durable with its Pertex material and ripstop fabric, but it has a few complaints about tears. For those who need pants that can handle rough terrain and frequent use, the Torrentshell 3L is the better choice.

Comfort

Outdoor Research Helium UL Pant

3.6/ 5.0

Patagonia Torrentshell 3L Rain Pants

3.9/ 5.0

Comfort is essential for a pleasant hiking experience, especially during long treks. The Torrentshell 3L scores 3.9/5, with buyers appreciating its elastic waistband, cinch-down cuffs, and overall fit that provides long-term comfort. The Helium UL Pant, with a 3.6/5 rating, is comfortable but has a slim fit that might feel restrictive for some users. It also lacks pockets, which can be inconvenient. While both pants offer a good fit, the Torrentshell 3L's additional comfort features make it the winner in this category.

Packability

Outdoor Research Helium UL Pant

4.7/ 5.0

Patagonia Torrentshell 3L Rain Pants

3.9/ 5.0

Packability is important for hikers who need to save space and weight in their backpacks. The Helium UL Pant excels in this category with a 4.7/5 rating, praised for its ability to fold into its own pocket and its very small, lightweight design. Buyers highlight its compact size and ease of packing. The Torrentshell 3L, with a 3.9/5 rating, is also packable but not as compact as the Helium UL Pant. For those who prioritize minimal weight and space-saving, the Helium UL Pant is the clear winner.

Ease Of Use

Outdoor Research Helium UL Pant

3.1/ 5.0

Patagonia Torrentshell 3L Rain Pants

4.2/ 5.0

Ease of use affects how quickly and conveniently you can put on and take off your rain pants. The Torrentshell 3L scores 4.2/5, with buyers praising its two-way zipper, elasticized waistband, and easy-on design. The Helium UL Pant, with a 3.1/5 rating, has some complaints about the lack of side pockets and difficulty in pulling the pants over shoes. While both pants are functional, the Torrentshell 3L's user-friendly features make it the winner in this category.

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Conclusion & Final Verdict:

In conclusion, the Outdoor Research Helium UL Pant is the best choice for hikers who prioritize lightweight and packable rain protection. Its exceptional waterproofing and packability make it ideal for those who need to save space and weight in their backpacks. However, if you need enhanced durability and comfort for rugged terrain, the Patagonia Torrentshell 3L Rain Pants are the better option. Its superior durability, comfort features, and ease of use make it suitable for longer hikes and rough conditions.

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