Best Bivy Sacks in 2026

MULTIPURPOSE.- Can be used as: emergency jacket, sleeping bag or sleeping bag liner, blanket, hammock liner (quilt) etc.

VERSATILE.- Lightweight, non soaking, easy to transport

Ideally fits the Helikon-Tex BOB backpack

4 Pack emergency sleeping bags survival Bivvy sack size 36 * 84 inches; Lightweight survival kit for outdoor camping hiking lovers.

KEEP WARM - Made of durable insulating Mylar material, premium choice for emergency situations in need of warmth protection from all-weather conditions. High reflective Alu. foiled thermal material are designed to reflect your body heat back to prevent body temperature losing even save your life in emergencies.

MULTIPURPOSE EMERGEMCY USES -The emergency bivvy bag serves as your emergency blanket, survival shelter, and emergency bivy sack all-in-one. Use as tent footprint, rain poncho, emergency signal, emergency shelter, ground cover, bivouac sack, wind blocker, water collector, snow melt container and so on. The bright orange color survial bivvy sacks can help rescuers to find your location and get quick rescue.

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.

【Emergency Sleeping Bags】Keep warm and Alive.Used as a survival emergency Bivy Sack, poncho, emergency shelter, Protect you from rain,wind and snow. It can be used as ground cover, sleeping bag liner when you in extreme environments.

【Easy to Use】Just pull out the bivy sack, unroll and climb inside.Emergency sleeping bag can be used as a sleeping bag liner to keep your body temperature.Orange is a great color for signaling

【Compact and Lightweight】This thermal sleeping bag kept in a small bag ,easy to carry and store,you can carry and store it in any place, and also you can reuse if you want.

【MADE FOR EMERGENCIES】For its weight and thinness, these emergency sleeping bags will surprise you with their strength. The material ensures these sacks are tear-resistant, windproof and water proof. Plus, these bivy sack feature reinforced taped seams,locking out harsh weather to cover & protect you in the worst conditions. Professional emergency color - orange helps the user be found more easily in an emergency.

【OUTDOOR ESSENTIALS】Just pull out of the stuff sack.Emergency sleeping bag can be used as a sleeping bag line. Zmoon emergency bags in your hiking pack, go bag, bug out supplies, and glove box so whether you’re trapped in your car during a winter storm or forced to spend an unplanned night outside, you’re ready for the harshest conditions Mother Nature throws at you. A must-have tent camping gear when camping, hiking,trail running.

【DURABLE AND REUSABLE MATERIAL】Package includes 2 pack emergency sleeping bags. The survival bivy bag is durable enough for repeated uses so it can be folded up and placed back inside the waterproof Nylon stuff sack and ready for your next next adventure. This affordable set is enough for you to reuse for a long time, just really save your money.

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.

【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.

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.

Comfort in Temperatures Ranging from 50°F to -50°F

Made in the USA

Military Issue

Ultra Lightweight & Compact Sleeping Bag—Delmera’s emergency sleeping bag's dimension is 3.08 ft x 6.73 ft, weighs just 4.6oz. Small enough to fit in the palm of your hand. The survival sleeping bag comes rolled up inside handy nylon stuff drawstring bag sack so you can store it in bug out bag,camping gear,glove box,emergency bag in your car

Stay Warm and Alive in Extreme Conditions—Originally designed by NASA for space exploration, these insulating mylar bags provide compact emergency protection in all weather conditions by reflecting back and retaining 90% of a survival victim's body heat,to cover injured victims in order to help reduce shock. The bivy sack serves as your emergency blanket, survival shelter, and emergency bivy sack all-in-one

Emergency Use and Extra-Thick Tear—Delmera Emergency Thermal Mylar Bags are ideal for all emergencies, such as travel,hunting,camping,climbing,fish on the sea. Your ultra-lightweight survival sleeping bag is constructed of 26um extra-thick mylar material with a tear and puncture resistant coating so it stands up to extreme conditions

DESIGNED FOR NASA - Originally designed for heat retention during NASA space exploration, our proprietary aluminized Polyolefin sleeping bags are thicker, safer, softer, and quieter than the competition. They do not out-gas, and can also be used for ground cover, rescue or distress beacons, ponchos, tarps, and impromptu shade.

EXTRA-THICK & WARM - Our Mylar sleeping bags are 41% thicker than the leading competitor, helping to keep you warmer in emergency situations where protection from inclement weather conditions is required. Each sleeping bag is designed to help prevent hypothermia and shock by retaining up to 90% of your body heat.

COMPACT DESIGN – Designed to comfortably fit a single adult, each 36" x 78" emergency sleeping bag is tear-resistant, reusable, and can be rolled and stowed in the included olive-drab Nylon drawstring bag. These sleeping bags are perfect for Backpacking, Emergency Kits, and Bug-Out Bags and can also be used as a bivy sack cover for your regular sleeping bag.

Ultralight comfort

quick to set up and break down

Portable & SAVE SPACE - Only 0.7kg/1.6lb for entire kit, light wight and convenience to carry, easy to hold into your backpack. Packed Size: 1’7" x 4" x 4" (48 x 12 x 12 cm)

QUICKLY TO SET UP - one-pole frame system with shock-corded aluminum poles allows for fast easy setup and dismantle. Just need 2 min to install, save your time. With the mesh door, to allow the air to circulate

WATERPROOF & VENTILATION - Fully Seam Taped + Waterproof Coating + PU5000MM, can be able to anti moderate rain, you will not worry about the rain day in the filed. And the windows on the top strengthened the air flow

YOUR BIVVY EMERGENCY SLEEPING BAG should be DURABLY MADE, for dependable protection in ANY ENVIRONMENT – but many emergency bivvy sacks are FLIMSY and TEAR all too easily. The Ironstripe Emergency Sleeping Bag is constructed out of EXTRA-THICK, TEAR-RESISTANT and puncture-resistant PE material with REINFORCED wide-tape seams, for a sturdy, durable thermal sleeping bag you can rely on.

DON’T PUT YOUR HEALTH AT RISK with cheap, poorly designed sleeping bivy bags that don’t provide enough warmth. Our bivouac bag was developed to KEEP YOU WARM and DRY, with THERMAL MYLAR for 90% BODY HEAT RETENTION and a built-in hood that helps retain up to 10% more heat. And unlike the average emergency bivy sack, our mylar sleeping bag features an XL 240cm x 125cm size (94.5” x 49.2”) for a broader RANGE OF BODY TYPES.

DESIGNED FOR ALL SEASONS, this WATERPROOF sleeping bag protects against RAIN, WIND, HEAVY SNOW, and CONDENSATION, so you feel safe and warm in all weather conditions. Our portable sleeping bag folds down into an ULTRA-COMPACT drawstring storage bag to REPACK and REUSE, for easy, convenient emergency gear.

NOW MORE BREATHABLE! - We have re-engineered our waterproofing system to more than triple this bivy's moisture vapor transmission rating to 10,000 gr/m2/day, while maintaining an industry-leading 10,000 mm waterproof rating. 70D ripstop nylon fabric + Laminated PU and DWR coatings + Heat-taped seams = A 3-season shelter that protects against exterior moisture and minimizes interior condensation.

ULTRALIGHT & COMPACT - The Pharaoh weighs in at only 1.1 lbs and packs down incredibly small. Packed Size = 15 x 5 x 3 inch. Compressed = 6.5 x 4 x 3 inch.

VERSATILE - Extra wide for maximum comfort, and long enough to comfortably fit anybody up to 6’6” (2 m). Zippers on both sides to fit left and right zippered sleeping bags. Use it by itself, or inside any other shelter, such as a tent, boat, under a tarp, in a cold building, etc.

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: 1.9 pounds Only.

Weatherproof emergency sleeping bag (emergency thermal blanket) is an essential tool to ensure you stay alive in an emergency by keeping warm and safe from snow, wind, rain, or other natural disasters. You can also cut these into a poncho liner if you need to be more mobile or cut open into a emergency shelter - survival tarp.

Possible uses for the paracord (around 16") - first aid such as a tourniquet, aid in hanging a shelter or outdoor blanket, make a snare trap. Use the high decibel survival whistle to alert rescue teams to your location. Hiking essentials -the emergency whistle may aid in turning a bear away from you.

Beat the odds when stranded in cold weather using the emergency bivy sack. The waterproof blanket reflects 90% body heat - helping you stay warm and retain heat to prevent hypothermia. Add this to your survival gear, camping gear, car emergency kit, prepper supplies, bushcraft gear, emergency survival kit, go bag emergency backpack, or bug out bag supplies.

Designed to fit our Backcountry Bed and sleeping pad

Large U-shaped opening to make getting in and out easy

Mesh window panel for ventilation in good weather

KEEP WARM & STAY ALIVE IN EMERGENCIES with our emergency bivy sack. This survival gear is specifically designed to reflect 90% of your body heat back to you & protects you from wind, rain & snow. Our camping blanket also acts as a waterproof survival sleeping bag, perfect for anyone who loves to spend time outdoors.

COMPACT & LIGHTWEIGHT hiking gear & emergency sleeping bag. Every pound in your emergency go bag slows you down. Our ultra-lightweight emergency bivy sack lets you keep on moving, weighing only 4.4 oz. Compact & easy to store, this waterproof bag & outdoor blanket fits perfectly in even the most streamlined hiking pack or car survival kit.

MADE FROM HIGH-QUALITY, TEAR-RESISTANT POLYURETHANE that’s more durable than cheaper mylar materials. With this cold weather sleeping bag, you won't have to worry about your equipment ripping or tearing when you’re most vulnerable. Our bivy bag has a large size that was made to accommodate an adult, or even two if necessary.

【Designed for emergencies and survival】Our massive 7x3 foot emergency blankets are larger than standard foil blankets. Using the extra thick Anti-Tear Anti-Puncture PE materials in production. Full closed seam is guarantee the ELUTENG Emergency Bags working well in any bad weather, its reliable in windproof and waterproof. Full body protection in the emergency situation. Your tools and skills are the most important in survival situation.

【Survival Whistle&Anti-Drop Clip】The item with 1pcs 120-decibel emergency whistle cross through wind and trees alerting rescuers up to 1-mile away. 4pcs White Clips are use for Anti-Drop while wearing the Bag. Green and orange colors are high visible while asking the help in survival situation. Engineered for emergencies and survival.

【Ultra-lightweight and compact】The ELUTENG sleeping bag is small enough to fit in the palm of your hand and weighs just 0.3 kg, rolled up in a durable, waterproof material bag so you can store it almost anywhere. Fits into your hiking bag, travel bag, and glove box, so whether you're stuck in your car during a winter storm or forced to spend an unplanned night outside, the ELUTENG Emergency Sleeping Bag is an essential tool to ensure you're still alive in case of an emergency.

Complete Survival Combinations: you will receive 12 pieces of emergency bivy sacks, 12 pieces of whistles and 12 pieces of nylon stuff sacks, enough to meet your daily hiking and camping needs

Compact But Large Enough: the emergency sleeping bag is about 82.7 x 35.4 inches/ 210 x 90 cm, and the nylon stuff sack is about 5.91 x 3.35 inches/ 15 x 8.5 cm, you can put the sleeping bag in the sack easily by folding and compressing, suitable for outdoor activities, and storing in your car or backpack

Keep Your Warmth: the survival sleeping bag is mainly made of mylar, aluminum and foil, effectively maintaining body heat, which is a good choice for keeping warm in a variety of emergency conditions; The whistles are plastic, and the stuff sack is made of nylon, they are also reliable and serviceable, easy to serve you for a long time

Keep You Warm: our camping bivy sack is made of insulating mylar material, good for emergency situations in need of warmth protection; The highly reflective aluminum foil thermal material is designed to reflect your body temperature to prevent it from dropping, keeping you warm in emergencies

Lightweight and Portable: each mylar sleeping bag is kept in a small drawstring storage bag with a size of about 2.8 x 3.95 inches and a weight of 4 oz, portable to carry for outdoor activities, easy to keep storage and store in your backpack, car, emergency first aid case and more

Multiple Functions: the emergency bivy bag serves as your survival shelter, emergency blanket and emergency bivy sack, and it can also be applied as rain poncho, tent footprint, emergency signal, ground cover, emergency shelter, wind blocker, bivouac sack, water collector and so on; The green bivvy bag is a similar in color to grass and is a good way to hide yourself from attack when outdoors

【Compact Emergency Shelter】The emergency sleeping bag is used as a survival emergency Bivy Sack to help stay warm, cozy and alive under extreme conditions.

【Multi-function】The Mylar Emergency Blanket is made of extra-thick mylar material with a tear and puncture resistant coating, windproof and water proof, durable and reusable. With an interior that reflects 90% of your body heat retention of your sleeping bag.

【Professional Emergency Color 】Orange is a strong visibility. So the bright orange sleeping bag and its reflective surface can be used as a distress signal, and can help first responders quickly find you.