bivvying in alpine/winter conditions is not done by choice, by anyone...in the case of alpinists it's because they can't carry a tent and climb at the same time.
unless you are an experienced alpine climber don't take a bivvy to alpine/winter conditions
bivvying in alpine/winter conditions is not done by choice, by anyone...in the case of alpinists it's because they can't carry a tent and climb at the same time.
unless you are an experienced alpine climber don't take a bivvy to alpine/winter conditions