Outdoor Research Helium Rain Pants - Men's
Packable, lightweight and breathable, the men's Outdoor Research Helium Rain pants provide durable weather protection you can count on, whether you're caught in a downpour or outrunning a flash storm.
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- Waterproof and windproof
- Fully seam-taped
- Elastic waistband with drawcord and gripper tape
- Crotch gusset
- Back pocket doubles as a stuff sack
- Carabiner loop and key clip
- Reflective logo
- Ankle zippers
- Elastic cuffs with gripper tape and lace loops
Imported.
View the Outdoor Research Helium Product LineView all Outdoor Research Men's Rain PantsBest Use | Hiking |
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Fabric | bluesign-approved Pertex Shield Diamond Fuse 2.5-layer,100% nylon, 30-denier ripstop |
Windproof | Yes |
Waterproof | Yes |
Type of Waterproofing | bluesign-approved Pertex Shield Diamond Fuse 2.5-layer |
Packable | Yes |
Inseam (in.) | 32 inches |
Weight | 11.3 ounces |
Gender | Men's |
Sustainability | Contains materials that meet the bluesign® criteria |
XS | S | M | L | XL | XXL | XXXL | 28 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 38 | 40 | 42 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Chest | 33.5 - 36 | 36 - 38.5 | 38.5 - 41.5 | 41.5 - 44.5 | 44.5 - 48 | 48 - 52 | 52 - 56 | |||||||||||
Sleeve Length | 31.5 | 32.5 | 33.5 | 34.5 | 35.5 | 36 | 36.5 | |||||||||||
Waist | 26.5 - 29 | 29 - 31.5 | 31.5 - 34.5 | 34.5 - 37.5 | 37.5 - 41.5 | 41.5 - 45.5 | 45.5 - 50 | 29.5 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 39 | 41 | 43 |
Hip | 32.5 - 35 | 35 - 37.5 | 37.5 - 40.5 | 40.5 - 43.5 | 43.5 - 46 | 46 - 49.5 | 49.5 - 53 | 35.5 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44.5 | 46 | 47.5 |
Inseam | 31.5 | 31.5 | 32 | 32.5 | 33 | 33 | 33 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 |
Sizing Notes
Measurements are stated in inches unless otherwise indicated.
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Light weight and packable but Terrible durability.
I have had 3 different pants and all 3 of them have had the crotch seam split within wearing them for a few hours. The first one I assumed was because the sizing was wrong but it happened with its replacement and the 2nd pair I had gotten for work. It is super packable and light weight but it had 0 durability to the point where I would take a knee and the crotch splits. I would not recomend these pants to anyone who does more then walking in them. I love alot of the OR kit but these pants have been a major dissapointment.
Blown seat seams
First time using these pants and the crotch seam blew out within a few days. Only used them as camp pants on a bicycle tour. While I understand that durability is sacrificed somewhat when choosing an ultralight product, these pants were a disappointment for sure, especially considering the price. The Helium jacket and bivy however are holding up well.

Heavier than specs listed
Nice pants, a little crinkly, OK fit, but both Medium and Large- short of the 2023 helium are more than 1/3 heavier than listed under the specs.
Packable and Light
Not a downpour pants, but packable and light enough to always have in your backpack -- ideal windbreaker.
lightweight and rain proof
pants are rain proof bur could use better ventilation
