Arc'teryx Beta Pant vs Black Diamond StormLine Stretch Rain Pants

Editorial Team
Last modified at July 3, 2026
When it comes to choosing the best rain pants for hiking, the Arc'teryx Beta Pant and the Black Diamond StormLine Stretch Rain Pants are two top contenders. Both offer excellent protection against the elements, but they cater to slightly different needs and preferences. This comparison will help you understand which pants are best suited for your hiking adventures.

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Arc'teryx Beta PantBlack Diamond StormLine Stretch Rain Pants
Arc'teryx Beta Pant
Black Diamond StormLine Stretch Rain Pants
Hydrostatic Head

N/A

394 in

Denier

80D

N/A

Weight

10.86 oz

9.8 oz

Material

3L 80D GORE-TEX ePE

BD.dry 2.5L; 100% nylon

Seam Sealing

Taped seams

Fully seam-taped

Warranty

Limited warranty

Practical lifetime

Packed Size

N/A

Back-right pocket stow

Layer Count

3L

2.5-layer

Waistband Type

Low-profile stretch waistband

Elastic waist; drawcord

Articulated Knees

Yes

Yes

Pocket Count

1 pocket

1 pocket

30000 Mm

N/A

N/A

Gore-Tex Infinium

No

No

Waterproofing

Arc'teryx Beta Pant

4.4/ 5.0

Black Diamond StormLine Stretch Rain Pants

3.9/ 5.0

Waterproofing is crucial for rain pants as it ensures you stay dry in wet conditions. The Arc'teryx Beta Pant uses Gore-Tex fabric with taped seams and reinforced insteps, providing reliable waterproofing. Users have noted that these pants keep the weather out effectively, although a few have reported minor rain leakage. On the other hand, the Black Diamond StormLine Stretch Rain Pants feature BD.dry 2.5 layer technology, which also offers strong waterproofing but has received slightly less consistent praise. For hikers who prioritize staying dry in heavy rain, the Arc'teryx Beta Pant is the better choice.

Breathability

Arc'teryx Beta Pant

4.1/ 5.0

Black Diamond StormLine Stretch Rain Pants

3.0/ 5.0

Breathability is essential to prevent overheating and discomfort during high-intensity hikes. The Arc'teryx Beta Pant includes venting options at the top, which help regulate temperature and prevent overheating. Users have found these pants to be quite breathable. In contrast, the Black Diamond StormLine Stretch Rain Pants have received mixed reviews on breathability, with some users finding them less effective at cooling off during intense activity. Therefore, if breathability is a priority, the Arc'teryx Beta Pant is the superior option.

Durability

Arc'teryx Beta Pant

4.3/ 5.0

Black Diamond StormLine Stretch Rain Pants

4.6/ 5.0

Durability ensures that your rain pants can withstand the rigors of the trail and last for many hikes. The Black Diamond StormLine Stretch Rain Pants excel in this category, with users consistently praising their resistance to abrasion and tearing. These pants are designed to handle rough terrain and frequent use without showing signs of wear. The Arc'teryx Beta Pant, while also durable, has had some reports of glue issues over time. For hikers who need pants that can handle tough conditions and frequent use, the Black Diamond StormLine Stretch Rain Pants are the better choice.

Comfort

Arc'teryx Beta Pant

4.3/ 5.0

Black Diamond StormLine Stretch Rain Pants

4.3/ 5.0

Comfort is key for long hikes, as it affects your overall experience on the trail. Both the Arc'teryx Beta Pant and the Black Diamond StormLine Stretch Rain Pants score equally high in this category. The Arc'teryx pants offer a snug yet comfortable fit with a generous leg cut, allowing for unrestricted movement. Similarly, the Black Diamond pants provide full freedom of movement with a two-way stretch outer fabric and articulated knees. Users have found both pants to be exceptionally comfortable, making this category a tie.

Packability

Arc'teryx Beta Pant

4.3/ 5.0

Black Diamond StormLine Stretch Rain Pants

4.1/ 5.0

Packability is important for hikers who need to save space in their backpacks. The Arc'teryx Beta Pant is lightweight and compact, easily packing down small for convenient storage. The Black Diamond StormLine Stretch Rain Pants also offer good packability, with a carabiner-ready loop for easy attachment to a backpack. However, the Arc'teryx pants have a slight edge due to their lighter weight and smaller packed size, making them the better choice for those who prioritize packability.

Ease Of Use

Arc'teryx Beta Pant

4.6/ 5.0

Black Diamond StormLine Stretch Rain Pants

3.9/ 5.0

Ease of use can make a significant difference in how quickly and conveniently you can put on or take off your rain pants. The Arc'teryx Beta Pant features full-length zippers and elastic waist adjustments, making them quick to put on or take off, even over boots. The Black Diamond StormLine Stretch Rain Pants, while also easy to use, do not offer the same level of convenience. Therefore, the Arc'teryx Beta Pant is the clear winner in this category, providing a more user-friendly experience.

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Conclusion & Final Verdict:

In conclusion, the Arc'teryx Beta Pant is the better choice for hikers who prioritize waterproofing, breathability, and ease of use. Its Gore-Tex fabric and venting options make it ideal for wet and intense hiking conditions. On the other hand, the Black Diamond StormLine Stretch Rain Pants excel in durability and are significantly lighter, making them suitable for rugged terrain and hikers who need tough, long-lasting pants. If comfort and packability are your main concerns, both pants perform well, but the Arc'teryx Beta Pant has a slight edge. Ultimately, your choice will depend on the specific conditions and priorities of your hiking adventures.

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