Alpine AscentShell Bivy

The cult-classic Alpine Bivy leveraging Helium AscentShell technology results in this: The bivy that has a drastically improved breathability rating which leads to less condensation and a more comfortable sleep. The step-in opening compared to the clamshell opening allows you to step out of your boots and straight into the bivy easily without any shimmying. Ideal for alpine pursuits and extreme weather.