Outdoor Research Helium UL Bivy Colour:Spice The Alpine Onset Merino 150

The Alpine Onset Merino 150 Beanie combines the natural anti-odor properties of merino wool and recycled polyester's added durability and moisture management to create an ideal choice for winter layering without overheating

from spring bivi and bothy trips to light multi-day hikes

or neck warmer - you name it

Designed for longevity

The carabiner is not part of the product

Outdoor Research Helium UL Bivy Colour:Spice The Alpine Onset Merino 150The Helium UL Bivy is built for ultralight backpackers, climbers, and fast packers who need waterproof protection and breathability in a minimalist shelter. Made with bluesign approved Pertex Shield NetPlus fabric from 100% recycled nylon, the Helium UL Bivy is newly updated for 2026 to deliver durable, lightweight performance with a fully seam taped design and waterproof PU coated floor for reliable weather protection. Dual passive ventilation flaps