
"...one of the finest puffy jackets
we've ever tested. One of the warmest and most packable insulation pieces we've ever tried."
— Powder Magazine, 2024
Designed for fast, light missions in unpredictable weather, the Ultralight Shell Jacket delivers full waterproof protection in an extremely stretchable, minimalist, and pack-anywhere design. At ~200 g / 7 oz, it’s the shell you bring when weight matters and leaving protection isn’t an option.

Waterproof. Stretchable. Ultralight.
The Ultralight Shell Jacket is our most minimal waterproof layer — a fully protective 3-layer shell built for warm-season missions where weight, mobility, and packability matter. Developed with Toray in Japan, the stretch 3-layer fabric provides full waterproof protection with softshell-like elasticity and strong breathability. Weighing around 200 g / 7 oz, it packs down small enough to disappear into a pocket, yet offers the same essential weather protection as our heavier alpine shells. With articulated patterning and clean construction, it stays silent and efficient on runs, scrambles, and exposed ridge days.
NOTE! The Ultralight Shell Jacket has an athletic and slimmer fit by design. If you prefer a normal fit — choose a larger size.
How to use it
Our most minimal waterproof shell: ultralight, stretchable, and completely waterproof. Designed for 3-season missions where weight and packability matter most. Choose it when you want full storm protection in the smallest, fastest package we make.


we've ever tested. One of the warmest and most packable insulation pieces we've ever tried."
— Powder Magazine, 2024

It became both my everyday emergency puffy and what I wanted around town."
— Backcountry Magazine, 2026

It's remarkable, it's comfortable and it's very well made."
— Engearment, 2024

ideal for ski touring or those cold winter days around town."
— Backcountry Skiing, 2025