ReallyBigMonkey1
4.5/10
How we read this review
Mylar bivvies work okay but not as great as advertised; not very warm, can sweat inside
My Tips For Using An Emergency Mylar Sleeping Bivy BagEmergency Sleeping Bag
Hover to zoomPhotos from fresh93
More from fresh93
Emergency Sleeping Bag
Est. tax $1.53 for 43215 (Ohio average) · Shipping set by fresh93 at checkout · 2 listings at 6 stores
| Material | Polyethylene outer, polyester fill |
|---|---|
| Dimensions | 7 ft x 3 ft (unfolded) |
| Weight | 6 oz (170 g) |
| Color | Orange |
| Pattern | Solid |
| Temperature Rating | Below -5°C |
About this item
- Reflects 90% of body heat while providing full coverage and durability for multiple uses in extreme conditions.
- Tear and puncture resistant polyethylene construction ensures long-lasting durability
- Reflects 90% of body heat to keep you warmer in cold weather
- Completely windproof and waterproof for protection from rain, wind, and snow
- Ultralight and compact design fits easily into backpacks or emergency kits
- Reusable and foldable for multiple uses and easy storage
Why it scores 6.6: Good, from 4 sources. Strongest on durability. Early estimate: more sources will firm it up. See the breakdown
Every store selling it
2 listings at 6 stores, lowest first. Ask the stores what shipping to 43215 costs to see who is cheapest at the door.
How it scores
Good · likely 5.2 to 8.1 · low confidence
From 2 video reviews, 11 community posts, 516 store ratings.
Your score
What matters to you? Tap to weight the score. Tap again for more weight.
Quick picks:
By what matters
Quality7 reviews · what they said5.2
- Mylar kept them warm when temperatures dropped; bought a bulk pack afterward YouTube comment on ReallyBigMonkey1
- Advertised to reflect 90% of body heat and be 100% waterproof and windproof Flinders Adventures · sponsored
- Pairing with an inflatable pad creates air gap and improves warmth and comfort YouTube comment on Alex Coker
- Lack of airflow is a drawback, leading to condensation YouTube comment on Alex Coker
Ease of use4 reviews · what they said5.3
- Video made it clear how to use the bag without prior experience YouTube comment on Alex Coker
- Video showed how to use a bivy bag, which was new to the viewer YouTube comment on ReallyBigMonkey1
- Using a mylar bag in the field is described as a pain YouTube comment on ReallyBigMonkey1
Durability5 reviews · what they said7.1
- sweating/condensation inside (5 reports) ReallyBigMonkey1
Value for moneyprice against similar products9.5
By source
Retailer star ratings35% of the score9.1
Video reviews2 sources · 29% of the score4.2
Community discussion9% of the score6.4
Problems owners mention
- condensation
- condensation pools under pad
- no airflow causes condensation
Out of 10. Each source is weighted by how reliable it is, how much data it has and how recent it is; sponsored videos count half, and the brand’s own videos don’t count. How the score works
Reviews and videos
Alex Coker
3.5/10
How we read this review
Emergency bag protects from wind, snow, rain but condensation is a concern; not breathable
Emergency Survival Sleeping Bag ReviewCommunity
First time seeing how to use a bivy bag; video was helpful
YouTube comment on ReallyBigMonkey1Community
Gave emergency bivy bags to homeless to keep sleeping bags dry; condensation noted
condensation
YouTube comment on ReallyBigMonkey1Community
Honest real-life review that may have saved someone's life in cold weather
YouTube comment on Alex CokerCommunity
Mylar really helped when temps dropped one night; bought a bulk pack
YouTube comment on ReallyBigMonkey1Community
Plans to buy one for Yosemite day hikes; video helped show how to use it
YouTube comment on Alex CokerCommunity
Adding an air pad inside the bivy improves warmth; tips make it more comfortable
condensation pools under pad
YouTube comment on Alex CokerCommunity
Understands now why the bag's lack of airflow is a problem
no airflow causes condensation
YouTube comment on Alex CokerCommunity
Promotional listing claiming NASA-grade reflection, waterproof, lightweight, multi-use
Flinders AdventuresCommunity
Roundup listicle of best emergency sleeping bags; the text mixes in unrelated trailer jack content
Gadgets TonicCommunity
Promotional-style review post with affiliate shop links; no substantive judgment given
Argan Lovely fresh93 reviews
4.9 from 516 ratings
Store star ratings run high (most products average above 4.3), so they count less than written reviews.
Sources we checked
- Shopify Global Catalog1 found
- Hacker Newschecked, nothing yet
- Redditnot connected yet
- YouTube reviews26 found
- Expert reviews (Claude web search)not run yet
- Video reviews, watched (Gemini)not connected yet
- Xnot connected yet
- Expert reviews (web)not connected yet
- Browsing agent (computer use)not connected yet
Compare with similar items
| This itemEmergency Sleeping Bag |  Sleep Bag in Silly Goose 1.0 |  Ultra Lightweight Sleeping Bag & Portable Stealth Angel Survival |  Spark Down Sleeping Bag |  Waratah | |
|---|---|---|---|---|---|
| Customer rating | Highest rated | ||||
| Price | $21.00 Lowest price | $55.00 | $29.95 | $349.00 | $265.00 |
| Doorprice Score | 6.6Doorprice Score | 8.0Doorprice Score | 8.1Doorprice Score Best score | 7.3Doorprice Score | 7.6Doorprice Score |
| Sold by | fresh93 | Kyte Baby | Stealth Angel Survival | Sea to Summit North America | Neve Gear |
| See details | See details | See details | See details | See details |
Other sellers
| Seller | Price | Est. tax | Condition | Policies | |
|---|---|---|---|---|---|
| fresh93 Lowest price | $21.00 | $1.53 | new | Returns · Shipping | Buy |
| fresh95 | $21.00 | $1.53 | new | Returns · Shipping | Buy |
| Outry | $23.10 | $1.68 | new | Returns · Shipping | Buy |
| basecamp finds 3 | $30.03 | $2.19 | new | Returns · Shipping | Buy |
| fresh93 | $41.96 | $3.06 | new | Returns · Shipping | Buy |
| Outry | $46.15 | $3.36 | new | Returns · Shipping | Buy |
| Sierra Madre Research | $49.00 | $3.57 | new | Returns · Shipping | Buy |
| basecamp finds 3 | $60.00 | $4.37 | new | Returns · Shipping | Buy |
Product description
This Emergency Sleeping Bag is not only for survival situation use, they're also perfect for personal use . The packages are so compact and light weight. Take them with you when you go for camping, hiking, and outdoors adventure. They will fit in your pocket, handbag, backpack, etc. Store them in your home and car. Always get ready if needed. Here's what sets it apart and makes it exceptional in safeguarding against the foremost threat in crisis. ✅ Durable Construction - Made of rugged polyethylene, tear and puncture-resistant material that ensures long-lasting usage. The emergency sleeping bags are completely windproof and breathable. It’s the perfect survival gear to carry for any survival trip or adventure. ✅ 100% Windproof and Waterproof - Not only will it keep you warm and toasty in freezing cold temperatures, it'll keep you dry as a bone too. This can basically replace both fire and shelter in any survival situation. ✅ Ultra Lightweight Compact - The thermal sleeping bag is kept in a small 4 inch * 2.5 inch bag and weighs only 4.2 ounces. In fact, it’s smaller than a soda can. ✅ Expands to fit anyone - Even though this bag folds up smaller than a soda can, it unfolds to a
From the seller’s listing.
