Updated October 2026
5 Best Emergency Blankets for 2026
We compared Mylar blankets and bivy sacks.
- 5 top picks compared
- 3 brands
- Specs from real Amazon listings
Swiss Safe Emergency Blankets (10-Pack)
Dual-sided Mylar blankets that retain 90% of body heat.
- Dual-sided Mylar.
- Retains 90% heat.
- Waterproof.
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Quick picks
The best emergency blankets at a glance
Every pick has a clear job. Find the one that matches how you hike, then check today's price on Amazon.
- 1BEST OVERALL
Swiss Safe Emergency Blankets (10-Pack)
Dual-sided Mylar blankets that retain 90% of body heat.
- Dual-sided Mylar.
- Retains 90% heat.
- 2
BIGGESTANLOKE Gigantic Emergency Blankets (10-Pack)
84 x 64 in blankets, 15 micrometers thick.
- 84 x 64 in.
- 15 micrometers.
- 3
BEST BIVYMart Cobra Emergency Mylar Bivy Sack
A full-body 84 x 36 in Mylar bivy.
- Full-body bivy.
- 84 x 36 in.
- 4
BEST SMALL PACKMart Cobra Emergency Mylar Blankets (4-Pack)
Four reusable 82 x 52 in Mylar blankets.
- Retains 90% heat.
- Reusable.
- 5
BEST BULKMart Cobra Emergency Mylar Blankets (100-Pack)
100 Mylar blankets for groups.
- 100 blankets.
- Retains 90% heat.
Compare
Emergency Blankets comparison
Key specs side by side. Prices, sizes, and colors change often, so check Amazon for the latest.
Swiss Safe Emergency Blankets (10-Pack)
Best Emergency Blanket
- Type
- Mylar blankets (10)
- Material
- 12-micron aluminized Mylar
- Contents / Size
- 10 blankets
- Range / Signal
- Waterproof, windproof
ANLOKE Gigantic Emergency Blankets (10-Pack)
Biggest Emergency Blanket
- Type
- Mylar blankets (10)
- Material
- Dual-sided Mylar; 15 µm
- Contents / Size
- 84 x 64 in
- Range / Signal
- Waterproof, windproof
Mart Cobra Emergency Mylar Bivy Sack
Best Emergency Bivy
- Type
- Emergency bivy
- Material
- Mylar foil
- Contents / Size
- 84 x 36 in
- Range / Signal
- Waterproof
Mart Cobra Emergency Mylar Blankets (4-Pack)
Best Small Pack of Blankets
- Type
- Mylar blankets (4)
- Material
- Aluminized Mylar
- Contents / Size
- 82 x 52 in
- Range / Signal
- Tear resistant
Mart Cobra Emergency Mylar Blankets (100-Pack)
Best Bulk Emergency Blankets
- Type
- Mylar blankets (100)
- Material
- Aluminized Mylar
- Contents / Size
- 82 x 52 in
- Range / Signal
- Tear resistant
Reviews
Emergency Blankets reviews
Why each product made the list, who it suits, and where it falls short.
1. Swiss Safe Emergency Blankets (10-Pack)
Best Emergency Blanket
Best for: Every hiker's kit.
Why we picked it
Swiss Safe earns our Best Overall spot with the largest review base here.
Swiss Safe lists dual-sided aluminized Mylar, 90% heat retention, 12-micron polyethylene Mylar, waterproof and windproof protection, and a 10-pack.
What we like
- Dual-sided Mylar.
- Retains 90% heat.
- Waterproof.
- Huge review base.
Could be better
- Size not listed.
- Crinkly.
Key specs
- Brand
- Swiss Safe
- Type
- Mylar blankets (10)
- Material
- 12-micron aluminized Mylar
- Contents / Size
- 10 blankets
- Range / Signal
- Waterproof, windproof
- Weight / Extras
- Ultra-compact
- Recommended Use
- First-aid kits, hikes
Who Should Buy It?
Choose Swiss Safe for kits.
Consider Other Emergency Blankets If...
Size not listed.
Bottom line: the Swiss Safe Emergency Blankets (10-Pack) is our best emergency blanket.
Check Price on Amazon2. ANLOKE Gigantic Emergency Blankets (10-Pack)
Biggest Emergency Blanket
Best for: Tall hikers.
Why we picked it
ANLOKE earns its spot with the largest size here.
ANLOKE lists 84 x 64 in (24% larger than standard), 15 µm thickness, dual-sided Mylar, 90% heat retention, about 2 oz each, and individual sealing.
What we like
- 84 x 64 in.
- 15 micrometers.
- About 2 oz each.
- Individually sealed.
Could be better
- About 2 oz each.
- Crinkly.
Key specs
- Brand
- ANLOKE
- Type
- Mylar blankets (10)
- Material
- Dual-sided Mylar; 15 µm
- Contents / Size
- 84 x 64 in
- Range / Signal
- Waterproof, windproof
- Weight / Extras
- About 2 oz each
- Recommended Use
- Tall hikers
Who Should Buy It?
Choose ANLOKE for full coverage.
Consider Other Emergency Blankets If...
Slightly heavier.
Bottom line: the ANLOKE Gigantic Emergency Blankets (10-Pack) is our biggest emergency blanket.
Check Price on Amazon3. Mart Cobra Emergency Mylar Bivy Sack
Best Emergency Bivy
Best for: Cold-weather hikes.
Why we picked it
The Mart Cobra bivy earns its spot by wrapping your whole body.
Mart Cobra lists an 84 x 36 in waterproof Mylar sleeping bag with a stuff sack, for adults or children.
What we like
- Full-body bivy.
- 84 x 36 in.
- Waterproof.
- Highly rated.
Could be better
- Bulkier.
- One pack.
Key specs
- Brand
- Mart Cobra
- Type
- Emergency bivy
- Material
- Mylar foil
- Contents / Size
- 84 x 36 in
- Range / Signal
- Waterproof
- Weight / Extras
- Stuff sack
- Recommended Use
- Cold nights, winter
Who Should Buy It?
Choose a bivy for winter.
Consider Other Emergency Blankets If...
Bulkier than a blanket.
Bottom line: the Mart Cobra Emergency Mylar Bivy Sack is our best emergency bivy.
Check Price on Amazon4. Mart Cobra Emergency Mylar Blankets (4-Pack)
Best Small Pack of Blankets
Best for: Families.
Why we picked it
Mart Cobra 4-pack earns its spot with a very high rating.
Mart Cobra lists aluminized Mylar with 90% heat retention, 82 x 52 in, tear resistance, and reuse.
What we like
- Retains 90% heat.
- Reusable.
- 82 x 52 in.
- Very highly rated.
Could be better
- 82 x 52 in.
- Crinkly.
Key specs
- Brand
- Mart Cobra
- Type
- Mylar blankets (4)
- Material
- Aluminized Mylar
- Contents / Size
- 82 x 52 in
- Range / Signal
- Tear resistant
- Weight / Extras
- Folds compact
- Recommended Use
- Day packs
Who Should Buy It?
Choose the 4-pack for families.
Consider Other Emergency Blankets If...
Smaller than ANLOKE.
Bottom line: the Mart Cobra Emergency Mylar Blankets (4-Pack) is our best small pack of blankets.
Check Price on Amazon5. Mart Cobra Emergency Mylar Blankets (100-Pack)
Best Bulk Emergency Blankets
Best for: Scout troops and clubs.
Why we picked it
The 100-pack earns its spot for groups.
Mart Cobra lists 100 aluminized Mylar blankets, 90% heat retention, and 82 x 52 in.
What we like
- 100 blankets.
- Retains 90% heat.
- 82 x 52 in.
- Bulk value.
Could be better
- Bulk only.
- 82 x 52 in.
Key specs
- Brand
- Mart Cobra
- Type
- Mylar blankets (100)
- Material
- Aluminized Mylar
- Contents / Size
- 82 x 52 in
- Range / Signal
- Tear resistant
- Weight / Extras
- Bulk pack
- Recommended Use
- Groups, scouts
Who Should Buy It?
Choose the 100-pack for groups.
Consider Other Emergency Blankets If...
Too many for one hiker.
Bottom line: the Mart Cobra Emergency Mylar Blankets (100-Pack) is our best bulk emergency blankets.
Check Price on AmazonOur process
How we chose these emergency blankets
1. Real listings only
We compared 5 emergency blankets from 3 brands using the specs and features published on each Amazon listing and by the manufacturer.
2. One clear job per pick
Each product earns a specific role — like best overall, best budget, or best for a technique — so you can match a pick to how you actually fish.
3. Honest trade-offs
Every review lists what could be better and who should skip it. We only state features the listings support — never invented specs or prices.
Buying guide
How to Choose Emergency Blankets
An emergency blanket weighs ounces and can prevent hypothermia.
- 1
Size
Bigger blankets wrap better.
- 2
Bivy
Bivies trap more heat than flat blankets.
- 3
Use
Shiny side toward you to reflect heat.
- 4
Pack
Keep one in every kit.
FAQ
Frequently asked questions
Do Mylar blankets work?
They reflect body heat and block wind and rain.
Are they reusable?
Some are, if they don't tear.
Blanket or bivy?
Bivy for cold nights; blanket for kits.
Still deciding?
Our #1 pick is the Swiss Safe Emergency Blankets (10-Pack).
Every hiker's kit.
Keep exploring
More Safety & Emergency Gear Guides
Related guides and a path back to the safety & emergency gear hub.