The four-season, single-wall Big Agnes Three Wire Bivy Sack 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.
- 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.
- Durable, lightweight CORDURA rip-stop bottom fabric

















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