Three Wire Bivy

Three+ season, free standing, mountaineering shelters

Three+ season, free standing, mountaineering shelters

A four-season, single-wall solo bivy shelter designed to be your go-to lightweight refuge when you need it. The CORDURA® rip-stop fabric on the bottom makes it ultra-durable while the electrospun nanofiber technology maintains optimum relative humidity inside - keeping the moisture well managed and your microclimate totally comfortable.
100% Guarantee


Our top priority is to provide customer service as stellar as the award-winning products we create. If one of our products does not perform to your satisfaction, contact our customer service team and we will help you find gear that fits your needs.

Check below for availability near you.


Check below for availability near you.

Specs + Sizing

Trail Weight1lb 9oz / 709g
Packed Weight1lb 14oz / 851g
Fast Fly Weight na
Packed Size4.5" x 18.5" / 11 x 47cm
Floor Area17 sq ft / 1.6 m²
Head Height20" / 51cm
Vestibule Area na / na
Footprint Weightna / na
Number of Seasons4
Number of Doors1
Intended UseMountaineering


Lightweight solo shelter

Close mesh layer only for more ventilation

Extra long side zipper for easy entry

External pole set for easy set-up

6 superlight aluminum J stakes

Over-sized, reinforced stake out loops - to be used with skis, ice axe, ski poles, etc.

*Trail Weight vs *Packed Weight: 

Unless otherwise noted, all published weights in our catalog and website are “trail weights”; the weight of the tent components necessary for setup and function. Packed weight is the weight with everything included with purchase.

Construction + Materials

Ultralight nylon, three layer waterproof / breathable fabric with a micro-porous membrane and tricot layer to enhance moisture management.

Membrane with electrospun nanofibers provides a 10000mm waterproof rating at minimal weight

Fabric breathability (MVTR): 30000 g/m²/24 hours

Durable, lightweight CORDURA® rip-stop bottom fabric

All seams taped with waterproof, solvent-free polyurethane tape (No PVC or VOC's)

DAC Featherlite NSL pole system with press fit connectors

Plastic clips and sleeves attach tent body to pole frame

Here’s what other people think.

What’s in a Name?

In cattle country, you know when a winter is one for the books when the snow reaches the third wire on the barbed wire fence. We call that a Three Wire Winter.