Sierra Madre Emergency Thermal Bivy Sack
Ultralight, waterproof Mylar emergency sleeping bag for survival and outdoor use. Reflects 90% of body heat to keep you warmer in cold conditions. Customers praise compact size and warmth, with mixed feedback on ease of use
Highlights
- 90% heat reflection
- ultralight waterproof bivy
- compact for kits and bags
Pros
- ultralight and compact design
- waterproof thermal bivy
- reflects body heat for warmth
- durable construction
- suitable for survival kits and bug-out bags
Cons
- mixed feedback on ease of use
Best For
Features
- Thermal bivy sack reflects about 90% of body heat for warmth in emergencies
- Ultralight, waterproof and windproof Mylar-based emergency sleeping bag
- Designed for survival scenarios including camping, bug-out bags, hiking
- Made from durable PET material originally used in NASA space insulation
