Conquer unpredictable weather with the **Helium Rain ultralight waterproof jacket**, engineered for adventurers who refuse to let storms dictate their pace. This featherweight shell combines **bluesign® certified Pertex® Shield fabric** with intelligent design, creating an impenetrable barrier against wind and rain that breathes as hard as you do. Whether you’re caught in a sudden downpour or pushing through alpine gusts, this jacket folds into its own pocket when not needed – transforming from full protection to compact convenience in seconds.
Key Features
- **Waterproof & windproof** Pertex® Shield fabric with exceptional breathability to prevent clamminess during high exertion
- **Self-storing design** tucks into left pocket for ultralight packing – ideal for backpackers and urban commuters
- **360° weather sealing** via adjustable hood, Aquaguard® zippers, and elasticized cuffs/hem to block moisture ingress
- **Enhanced visibility** with reflective logos and forearm detailing for low-light safety
- **Secure storage** includes two hand-warmer pockets and a dedicated key clip with carabiner loop
Specifications
| Fabric Technology | Pertex® Shield (bluesign® approved) |
|---|---|
| Zippers | YKK® Aquaguard® waterproof |
| Pack Size | Fits in 6″ x 4″ pocket (approx.) |
| Weight | Ultralight 8.5 oz (240g) |
Ideal For
- **Fastpacking enthusiasts** needing reliable storm protection without adding bulk to their minimalist kit
- **Urban explorers** who want a stylish, packable shell for unpredictable city weather
- **Alpine travelers** requiring breathable waterproofing during high-output ascents





































