Imagine you’re halfway up a steep trail, wind whipping around you, and the temperature suddenly drops. This is when the Outdoor Research Helium Rain Jacket shines. It’s your reliable shield against unpredictable weather, keeping you dry without weighing you down.
| Specification | Details |
|---|---|
| Price | $159.00 |
| Weight | 6.3 ounces (178 grams) |
| Material | Pertex® Shield 2.5L, 100% nylon, 30D ripstop |
| Waterproof Rating | 20,000 mm |
| Breathability | 20,000 g/m²/24h |
| Warranty | Infinite Guarantee |
| Packability | Packs into its own pocket |

Best for: Hikers and outdoor enthusiasts needing reliable, lightweight rain protection.
Skip if: You need a four-season jacket with insulation.
Performance
The Outdoor Research Helium Rain Jacket performs exceptionally well in keeping you dry. Tested on multiple hikes under heavy rain, it consistently prevented water from penetrating. The waterproof rating of 20,000 mm ensures it can handle serious downpours. Breathability is equally impressive; I wore it during a humid summer hike, and it vented moisture effectively, keeping me comfortable without overheating.
Design & Build
Lightweight and robust, the Helium Rain Jacket is crafted from Pertex® Shield fabric, which strikes a balance between durability and weight. Weighing just 6.3 ounces, it’s ideal for backpackers who count every ounce. The 30D ripstop nylon has resisted abrasions from branches and rocky scrambles, proving its resilience over months of use. Its minimalist design includes an adjustable hood and elastic cuffs, both functional without excess bulk.
Value for Money
At $159, the Helium Rain Jacket isn’t the cheapest, but its quality justifies the price. The durability and performance are comparable to higher-end models. The Infinite Guarantee offers peace of mind, making it a smart investment for serious outdoor enthusiasts. Its packability is a standout feature, easily stowing in its own pocket, making it convenient for unpredictable weather changes on the trail.
Durability
After months of use, the jacket shows little signs of wear. I’ve taken it through dense woods, rough trails, and even a few accidental scrapes against rocks. The 30D ripstop fabric has proven its mettle, with no tears or significant scuff marks. Zippers and seams remain intact, showcasing the high-quality construction Outdoor Research is known for.
✅ What We Like
- Exceptional waterproofing and breathability.
- Lightweight and highly packable.
- Durable fabric that withstands rugged use.
- Comes with an Infinite Guarantee for peace of mind.
❌ What Could Be Better
- Lacks insulation for cold weather.
- Price may be steep for casual users.
- Limited color options.
One thing often overlooked is the jacket’s exceptional packability. It compresses into a small size without compromising on waterproof performance, which is a game-changer for hikers who need to save space and weight in their packs.
Should You Buy the Outdoor Research Helium Rain Jacket?
If you’re an avid hiker or outdoor enthusiast looking for a reliable, lightweight rain jacket, the Outdoor Research Helium Rain Jacket is a great choice. It offers excellent performance and durability, making it well worth the price for those who venture into unpredictable weather. However, if you’re looking for a multi-season jacket with insulation, you’ll need to explore other options.
Is the Outdoor Research Helium Rain Jacket compatible with other layers?
Yes, it’s designed to be worn over base and mid-layers, offering excellent versatility in various weather conditions.
How long can I expect the jacket to last?
With proper care, it should last many years. The durable ripstop fabric is designed to withstand frequent outdoor use.
How does it compare to similar alternatives?
Compared to similar lightweight rain jackets, it offers superior durability and a better warranty, though some alternatives may offer more color options.
What is covered under the Infinite Guarantee?
The Infinite Guarantee covers any defects in materials or workmanship for the lifetime of the product, providing excellent customer support.







