Big Agnes

Three Wire Hooped Bivy

What Our Gearhead® Experts Are Saying:

"The Three Wire Hooped Bivy is my go-to when weight and space are non-negotiable. It’s surprisingly roomy at the head, and the venting options mean I stay dry through long nights. Whether I’m high on a ridge or packing it just in case, I always appreciate how compact and bomber this thing is."

When conditions demand we go fast, go light, and still be ready for anything, we reach for the Three Wire Hooped Bivy. Built for high alpine missions and minimalism-driven backpacking, this shelter offers four-season protection in a freestanding design that doesn’t skimp on breathability or comfort. From stormy ridgelines to summer objectives gone late, it’s the kind of gear we rely on when plans shift and the terrain gets serious.

Big Agnes uses its proprietary HyperBead™ fabric and Pertex® Shield upper to keep things light, dry, and durable. A shallow bathtub floor prevents seepage, while the hooped single-pole design creates extra room around the head. Dual mesh and solid window panels let us tune ventilation to conditions, whether we're zipped in tight against snow or open to catch a cool summer breeze. It’s a minimalist’s dream, designed to be your main shelter—or your backup plan.