Ideal for alpine pursuits and extreme weather, the Outdoor Research Alpine AscentShell bivy combines the cult-classic Alpine Bivy with Helium AscentShell tech for drastically improved breathability.

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When clear nights prevail but insects threaten to reduce your blood volume, this bivy is the sleeping chamber of choice.

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Offering peace of mind in a small package, the SOL Escape Lite Bivy can be used as a sleeping bag liner to increase warmth, a sleeping bag shell to fend off rain or as an emergency bivy.

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Get ready for fast-and-light missions with this clamshell-opening Outdoor Research Helium bivy. Its lightweight, durable fabric with Diamond Fuse technology gives it its ultralight prowess.

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