Best Bivy Sacks

Updated January 2020
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BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and we never accept free products from manufacturers. Read more  
BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We buy all products with our own funds, and we never accept free products from manufacturers.Read more 
Bottom Line
Pros
Cons
Best of the Best
S.O.L. Survive Outdoors Longer Lightweight Emergency Survival Sleeping Bag Sack
S.O.L. Survive Outdoors Longer
Lightweight Emergency Survival Sleeping Bag Sack
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Bottom Line

Pricier than other brands, but high quality and comfort make it worth it.

Pros

Highly water-resistant and built from durable fabric. High quality seams, stitching, and zipper. Comfortable. Olive drab green, so it blends in with the environment. Resists punctures and tears. Reflects back 70% of body heat.

Cons

Is a bit tight, small; not really for anyone tall or large. Pricing is a little high. Some complaints that it doesn't keep you warm if temperatures drop lower than 40 degrees Fahrenheit.

Leberna Emergency Survival Mylar Thermal Sleeping Bag
Leberna
Emergency Survival Mylar Thermal Sleeping Bag
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Bottom Line

A good, effective choice for survival kits, this set of 2 bags is also an inexpensive option.

Pros

Comes 2-to-a-box, each with its own carry bag. Constructed of durable double-sided Mylar material. Waterproof and windproof. Reflects back 90% of body heat. Decent price, particularly for 2. Packs up small and light. Well made and durable.

Cons

On the small side, so it's not really built for larger people. Some complaints that there are no zippers or cushioning with these.

Go Time Gear Emergency Thermal Sleeping Bag
Go Time Gear
Emergency Thermal Sleeping Bag
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Bottom Line

A rugged, mid-priced option that is big enough for larger-sized people and comes with extras such as an emergency whistle.

Pros

Comes with a nylon sack for storage, a 120-decible emergency whistle, and a 550 pound nylon core drawstring. Ultra-lightweight and compact. 26um Mylar resists tears and punctures. Reflects 90% of body heat back to you. Weights 4.1 ounces. Good size, even for larger people.

Cons

Some reports of the carry sack ripping easily. Bag isn't very breathable, allowing condensation to form on the inside.

Survival Frog Emergency Survival Compact Sleeping Bag
Survival Frog
Emergency Survival Compact Sleeping Bag
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Bottom Line

Works very well to preserve your body heat in an emergency, as well as guard against wind and water.

Pros

Available in Safety Orange or Tactical Green. Material is an ultra-lightweight HeatEcho reflective polyester film. Reflects 90% of your heat back to you. Weights 4.8 ounces. Tear-resistant, as well as wind and waterproof. Works well. Large-sized bag. Reinforced taped seams.

Cons

Make sure you keep your head (and breathing) out of it, as condensation easily builds up to puddle proportions. Some reports that the material here is very thin and rips easily.

Best Bang for the Buck
SE Emergency Sleeping Bag Kit
SE
Emergency Sleeping Bag Kit
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Bottom Line

While some had issues with its durability, this is an extremely affordable option that you can upgrade by picking and choosing from a variety of survival tools.

Pros

A number of different kits come with option such as a knife, compass, fire starter, and pocket tool. Three foot by seven foot size, and weights 5.8 ounces. Constructed of a heavy-duty aluminized PE interior material. Priced very low, and includes a drawstring carry bag.

Cons

Some buyers report that the material is very thin and tears easily.

Why trust BestReviews?
BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and we never accept free products from manufacturers. Read more  
BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and we never accept free products from manufacturers. Read more  
BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We buy all products with our own funds, and we never accept free products from manufacturers.Read more 
How we decided

We purchase every product we review with our own funds — we never accept anything from product manufacturers.

40 Models Considered
7 Hours Researched
1 Experts Interviewed
118 Consumers Consulted
Zero products received from manufacturers.

We purchase every product we review with our own funds — we never accept anything from product manufacturers.

A bivy or bivouac sack is a sleeping bag with waterproof, windproof nylon covering. It can keep moisture and cold out even in snowy weather. It’s useful to hikers and climbers and for survival during natural disasters. Bivy sacks are made to withstand rough weather conditions, though some are more durable for repetitive use while others are suitable only for emergency situations. Bivy sacks tend to pack up small and weigh little for easy transport over long distances. All help keep your body heat in with some having body-heat reflection ratings between 70% and 90%. Not all bivy sacks can accommodate tall or large body sizes. Some come with extra survival tools like a compass or emergency whistle.

The team that worked on this review
  • Jacob
    Jacob
    Editorial Manager
  • Katie
    Katie
    Editorial Director
  • Melinda
    Melinda
    Web Producer
  • Rich
    Rich
    Writer
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S.O.L. Survive Outdoors Longer

Lightweight Emergency Survival Sleeping Bag Sack

S.O.L. Survive Outdoors Longer

Lightweight Emergency Survival Sleeping Bag Sack

Pricier than other brands, but high quality and comfort make it worth it.
$59
×

Leberna

Emergency Survival Mylar Thermal Sleeping Bag

Leberna

Emergency Survival Mylar Thermal Sleeping Bag

A good, effective choice for survival kits, this set of 2 bags is also an inexpensive option.
$11
×

Go Time Gear

Emergency Thermal Sleeping Bag

Go Time Gear

Emergency Thermal Sleeping Bag

A rugged, mid-priced option that is big enough for larger-sized people and comes with extras such as an emergency whistle.
$19
×

Survival Frog

Emergency Survival Compact Sleeping Bag

Survival Frog

Emergency Survival Compact Sleeping Bag

Works very well to preserve your body heat in an emergency, as well as guard against wind and water.
$22
×

SE

Emergency Sleeping Bag Kit

SE

Emergency Sleeping Bag Kit

While some had issues with its durability, this is an extremely affordable option that you can upgrade by picking and choosing from a variety of survival tools.
$10

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