Top 14 Bivy Sacks of September 2023

TOUGHEST MYLAR SLEEPING BAG ON EARTH – Our tear-resistant, extra-thick HeatFlex mylar is stronger and more flexible than ordinary space blanket mylar. We’ve added a hood section to protect your head and reinforced tape seams to create a durable, reusable survival bivy you can use alone or to enhance your existing sleeping bag.

ENHANCE YOUR EXISTING SLEEPING BAG – Worried about unexpected cold or wet weather? The DDITW Emergency Sleeping Bag reflects up to 90% of body heat to boost the heat retention of your sleeping bag, and the waterproof material protects your sleeping bag from outside condensation.

BUILT-IN HEAD PROTECTION – Studies show you lose up to 10% of body heat through your head. Our innovative hood design helps you retain this body heat for total body protection. This exclusive feature is only available from Don’t Die In The Woods.

ULTRALIGHT, WATERPROOF, & SUPER COMPACT – Hate carrying extra weight? It’s so small and light, you’ll forget it’s even there. We’ve designed the DDITW Emergency Sleeping Bag with the perfect balance of durability & weight at only 7 ounces (the weight of a small apple). Stash them in each of your cars and backpacks and always be prepared.

PROTECT THE WILD PLACES WE LOVE – We donate a percentage of profits to conservation efforts around the world, including 1% For The Planet, The Conservation Alliance, and many more. 100% SATISFACTION GUARANTEED – We stand behind our products. You won’t find a tougher mylar survival bivy anywhere. Guaranteed.

【A Life Saver in Emergencies】: This Emergency Sleeping Bag is an invaluable asset when the chips are down. It's a must have for emergencies such as disaster, and automobile danger, and more--you'll never know when it'll come in handy. It also can serve other functions such as an emergency blanket, ground cover, rescue or distress beacon, poncho, rain tarp or sun shade.

【Durable Mylar】: The Mylar shell chases the chill out and provides superior warmth and comfort for you even under harsh conditions or when your body is weak. It's soft, waterproof, windproof, tear proof and puncture proof. Rain, shine, snow, or something in between- this bag can handle it all.

【Ultra-bright Reflective Surface】: Trapped in the dark? Let this Survival Blanket Bag light the way. The bright orange emergency sleeping bag and its reflective surface will provide crucial visibility and help first responders find you.

【Pack & Go Storage Bag】: Keep your thermal bivy sack clean and compact with the included storage bag. It also features a strap for easy carrying or hanging on your motorcycle or in your car! It can be stored and used together with the emergency radio and the first-aid bag.

【3000 Hz Survival Whistle & Precise Compass】: Coming with the bonus 120 dB whistle, your distress signal can be easily heard by people even during an earthquake. Better yet, the anti-interference compass is stable, highly accurate and reliable enough to guide you to move along the right way.

Ultra Lightweight Compact Sleeping Bag: Made out of ultra-lightweight HeatEcho reflective polyester film, this thermal survival blanket sleeping bag weighs just 4.8 ounces. It also compresses into a tiny oversized stuff sack, so you can reuse and carry this emergency sleeping bag with your survival kit everywhere you go. Use as a sleeping bag liner and raise your body temperature by 20°!

Made for Emergencies: The color of this light weight sleeping bag cover helps you blend or stand out into your surrounding. Plus, the HeatEcho material reflects 90% of your body's heat back to you, making it an essential survival tool and addition to your bug out bag, emergency shelter, camping gear or car emergency kit.

Incredibly Durable: 100% WATERPROOF: For its weight and thinness, these sleeping bags will surprise you with their strength. The material ensures these sacks are tear-resistant, windproof, AND waterproof. Plus, these emergency Tact Bivvy bags feature reinforced taped seams, creating weather-resistant barriers between you and the frigid cold.

Multi-purpose: The drawstring is actually para-tinder paracord, so you can use it to tie down your gear or expose the tinder cord and use it as a fire starter! On the end of the drawstring you will find a 120-decibel whistle for emergencies, and a carabiner so you can clip it to your bag or pack.

Money-Back Guarantee: We have over 10 years of experience in the industry. We guarantee our product with our 6 Month "Any Reason" Refund Guarantee. Ships from the USA. Live customer support. Click Add to Cart Now!

Versatile - The Go Time Gear Life Bivy Sack is a must-have in any survival bag. Each one functions as an emergency sleeping bag, a makeshift blanket, or as part of a survival shelter when camping.

Ultra Durable - This reusable bivy bag isn’t just wind and waterproof. It’s also made from tear and puncture-resistant PET 26um mylar, with an interior that reflects 90% of your body heat.

Escape The Elements - Need emergency shelter? Our survival bivy gives you cover in the rain, wind, and snow. Add extra warmth to your standard sleeping bag by using it as a liner in cold weather.

Incredibly Compact - At 4.1oz, this lightweight thermal sleeping bag bivy won’t weigh you down. It packs down nicely in the 4” x 3” stuff sack and includes a 120-decibel whistle to alert rescuers up to 1 mile away.

Go Time Gear Has Your Back - Whether you need emergency sleeping bags for survival, hiking, or for a bug out bag, our camping bivy sacks get the job done. If you’re not satisfied, let us know and we’ll make it right.

Made of Paratex Dry fabric, a completely waterproof, durable, lightweight protective shell that is designed to keep out the elements

The bag is windproof to trap warm air inside and keep cold air out; the fabric technology is incredibly efficient at water wicking

Comes with a stuff sack and packs down to a travel-friendly 6 inches by 4 inches; lightweight and weighs 12 ounces

Bivvi bag’s dimensions are 90 inches long by 33 inches wide; equipped with a half length center zip

Use the bivvi bag for emergency situations to keep yourself warm and dry during unexpected weather events

ULTRA LIGHTWEIGHT COMPACT: The thermal sleeping bag is kept in a small 3.9*5.1-inch bag and weighs only 4.2 ounces. Let you repeat use at any time, you can carry and can be stored in any place, store it in your car, backpack, and emergency first-aid case, etc. It can be easy to find when you have an emergency sleeping bag, and Mezonn emergency heat-resistant Mylar bag is perfect for all emergencies.

STAY WARM OVER 24 HOURS: Made out of ultra-lightweight PE material which reflects 90% of your body's heat to you reflective, and its orange color makes it easy for rescuers to find you（And its green color is not easy to see）, making it an essential survival tool, Suitable for outdoor camping and hunting, emergency shelter or car emergency kit.

INCREDIBLY DURABLE: The weight of this sleeping bag and the ultra-thin thickness of 28UM make it surprisingly strong. The material ensures a tear-resistant, windproof and waterproof sleeping bag. Besides, this emergency bivvy bag has reinforced tape seams that create a weather-resistant barrier between you and the cold.

BIG SIZE: 37 * 80.7 inches is enough to wrap an adult's body, you can also use it as an emergency blanket for two adults in an emergency. It can also perform other functions, such as emergency blankets, awnings, emergency sleeping bags, floor mats, rescue or distress beacons, ponchos, awnings or sunshades.

MONEY BACK GUARANTEE: Our goal is to keep each customer satisfied. If you are not satisfied for any reason, we will refund the full amount without asking any questions.

Think Outside: Just because you’re roughing it doesn’t mean you deserve a rough night’s sleep. Our Backcountry Bivy is a minimalist’s dream that maximizes comfort above all else. Its waterproof shell and abrasion-resistant floor are seam-sealed together for extra protection in inclement weather. The large opening, combined with our guy line design, adds headroom and overall comfort, and its equally large mesh window provides in-your-face views of the shining stars above.

Features: Waterproof/breathable top fabric | Fully taped seams (pvc free) and durable water repellent (DWR) for backup defense | Large u-shaped opening | Mesh window panel | Compatible with most sleeping bags, especially the Backcountry Bed

Specs: REGULAR: Minimum Weight: 13oz / 0.37kg | Packaged Weight: 14 oz / 0.40kg | Length: 80” / 203cm | Shoulder Width: 36” / 91cm | Storage Bag Size (L x W): 10” x 4”/ 25.4cm x 10.2 cm LONG: Minimum Weight: 15oz / 0.42kg | Packaged Weight: 16 oz / 0.45kg | Length: 86” / 218cm | Shoulder Width: 40” / 102cm | Storage Bag Size (L x W): 10” x 4”/ 25.4cm x 10.2 cm

Materials: Top Fabric:20D Nylon Ripstop WPB, DWR/10,400MM PeU, 18,300 g/day MVTR | Bottom Fabric:30D Nylon Ripstop, DWR/1200mm PeU, FR CPAI84

Warranty: Limited Lifetime Warranty – When purchased from an authorized retailer, Sierra Designs products are warranted to the original purchaser against manufacturing defects in materials and workmanship for the lifetime of the product. Contact our Customer Service team for prompt service or to answer any questions.

MT Bivy Cover Fabric Using 3 laminating glue,Waterproof and breathable fabric,and wind-resistant fully seam pressed. The outer layer is made of nylon water-repellent, scratch-resistant and tear-resistant material. Size: 220x90x71cm. It is in Army Woodland Camouflage Color.

Patrol/Recon sleeping bag using Nylon Ripstop and High-grade military filling material,high fluffy,compression resistant. Double-sided heavy-duty YKK zipper is strong and durable.Heat-treated seams ensure water and moisture resistance.Head Velcro for easy opening and closing of the top cover. The comfortable temperature is recommended to be 5-15 degrees;extremely low temperature -1 degree. Size: from 233x94cm (width) to 233x61cm (narrow)

Intermediate sleeping bag Filling:Polarguard HV High-grade military filling material, high fluffy,compression resistant. Even if wet, it has a certain thermal insulation performance Temperature scale:comfortable temperature recommended-15-0 degrees; with patrol sleeping bag+camping bag together Use,can reach -40 degrees,comfortable temperature recommended -30 to -20. Size: from 221x90cm (width) to 221x58cm (narrow)

The large Stuff Sack is made of waterproof Nylon and it can hold both the Patrol sleeping bag and the Intermediate cold weather sleeping bag as well as the Bivy Cover.

MT Military Modular sleeping bag system = summer thin sleeping bag jacket + spring Autumn sleeping bag + winter low temperature sleeping bag + winter or high mountain sleeping bag. It Can be used in conjunction with each other or separately . A variety of combinations, to meet the environment from 30 degrees above zero to 40 degrees below zero, the real set of sleeping bag system on the market almost meets all Use in the environment.

Military Grade: Based on U.S Army Modular Sleeping bags system, isolate BIVY cover Sack, Multicam and Woodland camo color.

Comfortable: Made of 3 laminating Nylon fabrics, windproof, waterproof and breathable.

Ultra lightweight: 4.8 ounces Only.

Portable: Equip with compression sack and straps, quite small volume to carry.

Compatibility: Available with every Mummy sleeping bag, used indoors and outdoor.

🐻Bearhard Tracker Series. All made of polyethylene, not the ordinary mylar on the market. In contrast, softer, lower-noise, and more tear-resistant than mylar.

🐻High-Performance Material. 90% heat preservation, put it in your car for emergency, keep you warm; 100% waterproof, used as a outlayer of your primary sleeping bag.

🐻Upgraded Bearhard Bivy. Added hood design to protect your head. The size of the bronze one is different from other colors. The enlarged bivy can accommodate two people, but still compact in your hand.

🐻Multifunctional Storage Bag. Use the drawstring to tie down your gear or expose the tinder cord to use as a fire starter. The 120db whistle on the end of the drawstring can for help or find your partner, and a carabiner can clip to your backpack or bugout.

🐻Bearhard Life Warranty. We back up all products for life, 100% money back policy and 24*7 fast response customer service free all your concerns.