Bivy Sacks tweets
Bivy Sacks: The Essential Survival Shelter http://t.co/Zo5jJin8 #survival,#prepper,
http://twitter.com/SurvivalistGear
13 years ago
@nerdymko Awesome! Our bivy sacks are waterproof, windproof and breathable, but not insulated. For temp ratings, look to your sleeping bag.
13 years ago