Sierra Madre Emergency Sleeping Bag – Ultralight, Waterproof Mylar Thermal Bivy Sack Tent for Hiking, Bug-Out Bags, Survival Kits – Emergency Survival Space Blanket for Heat Retention 5 Pack

When the unexpected strikes, having the right gear can mean the difference between survival and serious risk. The Sierra Madre Emergency Sleeping Bag is designed to keep you warm, dry, and protected in extreme conditions. Whether you’re stranded in your car on a freezing night, caught in an unexpected downpour, or setting up camp in unpredictable weather, this survival bivy is an essential tool for anyone who ventures into the outdoors.

Made from NASA-grade Mylar, this emergency sleeping bag reflects up to 90% of your body heat, helping to prevent hypothermia and ensuring that warmth stays where it matters most. Unlike traditional emergency blankets that can easily rip or fail when you need them most, this bivy sack is built with tear-resistant material that holds up in rugged environments. Its waterproof and windproof design shields you from rain, snow, and cold winds, providing a reliable barrier against the elements when conditions take a turn for the worse.

Designed with portability in mind, the Sierra Madre Emergency Sleeping Bag is ultralight and compact, folding down to fit effortlessly into its included stuff sack. It’s small enough to tuck into your backpack, glove compartment, or first aid kit, ensuring you always have it within reach when the unexpected happens. Despite its lightweight build, it’s incredibly durable and reusable, making it a smarter, more sustainable alternative to flimsy, single-use survival blankets. After use, simply fold it up and store it away until you need it again.

Whether you’re an avid camper, hiker, hunter, or simply someone who believes in being prepared, this bag is a must-have addition to your gear or your go bag emergency backpack or bug-out bag. It provides peace of mind knowing that no matter where adventure takes you, you have a reliable, life-saving tool at your disposal. When safety is non-negotiable, trust Sierra Madre to deliver the protection you need when it matters most.

STAY WARM IN ANY EMERGENCY: Designed for survival in extreme conditions, Sierra Madre’s thermal bivy sack reflects 90% of body heat, keeping you warmer for longer in cold weather. Ideal for survival kits, bug-out bags, camping, and hiking.
WATERPROOF & WINDPROOF PROTECTION: Mylar was originally designed as a tear-resistant, insulating material by NASA for space exploration. Our durable PET emergency sleeping bag shields you from rain, wind, and snow, ensuring you stay dry and warm no matter the conditions.
ULTRALIGHT WITH FULL COVERAGE: Weighing just 6 ounces, this survival bivy sack packs down small, fitting effortlessly into any backpack, glove compartment, or emergency kit for easy portability. Despite its light weight, our bag is larger for full coverage, fitting more body types comfortably.
DURABLE & REUSABLE: Unlike flimsy emergency space blankets, our survival bag is tough enough for multiple uses. Just fold it up and store it back in the drawstring stuff sack for your next adventure.
VERSATILE USE; A SURVIVAL ESSENTIAL: According to the Red Cross, the elements are the #1 killer in any crisis situation. Whether you’re a backpacker, hiker, prepper, or a parent, the Sierra Madre Emergency Sleeping Bag is a must-have—because safety should never be an afterthought.