Bivy is short for ‘Bivouac’ which means “a temporary camp without tents or cover, used especially by soldiers or mountaineers”.

Other spellings include: Bivvy, Bivvi or Bivi.

Bivy Shelter

A bivouac shelter is an improvised camp site or shelter; usually of a temporary nature, used especially by soldiers or persons engaged in scouting mountain climbers and survivalists.

Bivy Sack

A bivouac sack is a waterproof sleeping bag or personal sized tent typically used by climbers on multi-day excursions that do not want to carry a full size tent. This type temporary shelter can come in extremely handy for Bug Out Bags. Most Bivy sacks are made from light-weight, waterproof fabrics and add warmth. This is a great option for anyone who does not want to carry a full size tent or partake in Cowboy Camping.

ALL Terms
Prepper Vocabulary
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Gray Man
A gray man is the most undetectable, inconspicuous, and ordinary-looking individual in any setting. He/she blends into the environment and has mastered the art of hiding in plain sight.
Survivalism is a movement or lifestyle of survivalists or preppers who actively prepare for emergencies, including possible disruptions in social or political order, on scales from local to international.