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
In the Prepper Life EDC means Every Day Carry. EDC references the bag/ items a prepper should carry daily when they leave their home. These items ensure your survival in an fast acting emergency.
Potable references the cleanliness of water. Potable water is safe for human consumption without any additional filtration or purification methods.
When the word "non-potable" is used they are referencing that the water is undrinkable and should not to be consumed by humans.