The Best Backpacking Sleeping Bags of 2024

Embarking on a backpacking adventure is about embracing the wild, where the only barrier between you and the stars is the gear you carry. Choosing the right backpacking sleeping bag can mean the difference between a restful night and a shivering one. That’s why we’ve put our passion for the outdoors and rigorous testing to work, bringing you the definitive guide to the best backpacking sleeping bags of 2024.

In this blog, we delve deep into the world of slumber under the stars. We’ve tested a range of bags, from the ultralight for the fastpacker to the cozy for the casual trekker. Our reviews are more than just opinions; they’re backed by nights in the field, temperatures taken, zippers pulled, and down fluffed. We’ve considered every aspect—warmth, weight, comfort, and packability—to ensure that you can find the perfect companion for your nocturnal nature escapes.

Stay tuned as we unfold the ins and outs of each bag, helping you make an informed decision for your next outdoor adventure. Whether you’re scaling peaks or exploring gentle trails, your perfect backpacking sleeping bag awaits. Let’s begin the journey together.

STAR RATING

OVERALL SCROE

93

90

84

83

81

PROS

Lightweight, versatile, suitable for a range of weather conditions except wet due to down fill.

Ideal for backpackers valuing a roomy bag, light, warm, versatile.

Lightweight, suitable for cold temperatures, exceptional packability.

Super packable, lightweight, suitable for 2-season use.

Ultralight, warm, compact packing.

CONS

Really pricey, kind of bulky, awkward hood closure

Expensive, awkward hood, good but not great zipper

Expensive, narrow foot dimensions, annoying drawcords

Terrible zipper, uncomfortably narrow, difficult to compress, noisy fabric

Not as durable, narrow footbox reduces comfort.

EN Temp Rating (Lower Limit)

14°F/850+ FP Down

21°F/850+ FP Down

20°F/800 FP Down

28°F/850+ FP Down

32°F/900 FP Down

WEIGHT

1.8 lbs

1.5 lbs

1.8 lbs

1.1 lbs

1.0 lbs

STAR RATING

OVERALL SCROE

79

77

74

73

63

PROS

Water repelling, sustainably crafted, suitable for fast and light missions.

Ultralight, packable, premium materials.

Suitable for side sleepers, comfortable, spacious.

Good warmth for its weight, easy-to-use features, decent price.

Water-resistant down insulation, extra fluffy hood and draft collar, internal zippered pocket.

CONS

Falls short of premium bags like the Swallow above and UltraLite below.

Expensive, uncomfortably narrow, doesn't live up to its temp rating.

Heavy, bulky, just average down insulation

Lower quality down, heavy and bulky for a down bag.

Lower down fill power than previous versions, heavier due to low fill count.

BOTTOM LINE

32°F/800 FP down

25°F/850 FP Down

14°F/650 FP Down

15°F/650 FP Duck Down

30°F/synthetic (HL-ElixR Eco Micro)

WEIGHT

1.0 lbs

1.4 lbs

2.7 lbs

2.3 lbs

2.4 lbs

The Top 10 Backpacking Sleeping Bags of 2024

The Western Mountaineering UltraLite is a testament to meticulous craftsmanship and a beacon for backpackers seeking the ultimate balance of warmth and weight. This backpacking sleeping bag is a powerhouse of thermal efficiency, boasting an 850+ fill power down that cradles you in warmth on chilly nights.

Its svelte profile belies its generous interior, which accommodates sleepers of all shapes without feeling constrictive. The UltraLite doesn’t just keep you warm; it does so without adding unnecessary bulk to your pack. Its compressibility is a boon for those who traverse rugged terrains and count on every cubic inch of their backpack.

Moreover, the UltraLite’s durability is noteworthy. Constructed with a robust shell that repels moisture and resists tears, it’s a sleeping bag that endures the caprices of nature. Furthermore, its longevity is a nod to sustainable practices, as it reduces the need for frequent replacements.

In essence, the Western Mountaineering UltraLite is not just a backpacking sleeping bag; it’s a companion for the wild, a guardian against the cold, and a statement of eco-consciousness. It stands as a pinnacle of outdoor gear, promising restful nights under the stars for seasons to come.

WARMTH100

WEIGHT73

COMFORT80

PACKED SIZE80

FEATURES90

Overall Score91

When it comes to backpacking sleeping bags, the Western Mountaineering MegaLite stands out as a top contender. This bag is a marvel of balance, providing exceptional warmth without the weight, making it a favorite among backpackers who count every ounce. With its continuous baffle design and 850+ fill power down, the MegaLite offers an impressive warmth-to-weight ratio that is hard to beat.

The spacious cut of the bag allows for a comfortable night’s sleep, even for those who toss and turn. Yet, it still packs down small, leaving plenty of room in your backpack for other essentials. The draft tube and collar are meticulously designed to keep the cold out and the warmth in, ensuring that you stay cozy throughout the night.

Transitioning from the bustling trails to the serene wilderness, the MegaLite is your reliable companion. It’s not just a sleeping bag; it’s a ticket to dreamland, even when you’re miles away from the comforts of home. The attention to detail in its construction speaks volumes about Western Mountaineering’s commitment to quality. From the durable shell material to the high-loft down, every aspect of the MegaLite is crafted with the user’s experience in mind.

For those who prioritize sustainability, the MegaLite also scores high. The down is responsibly sourced, and the bag is made in the USA, reducing its carbon footprint. It’s an investment not only in your outdoor adventures but also in the planet.

In conclusion, the Western Mountaineering MegaLite is more than just a backpacking sleeping bag; it’s a blend of comfort, warmth, and conscience. It’s an essential gear for any backpacker looking to lighten their load without sacrificing a good night’s sleep.

WARMTH80

WEIGHT80

COMFORT90

PACKED SIZE80

FEATURES80

Overall Score90

The Rab Neutrino 400 is the epitome of a high-performance sleeping bag, designed for the serious adventurer. With its Pertex Quantum outer fabric, this bag resists moisture and wind, while the 800-fill power European goose down provides exceptional warmth.

The Neutrino 400 is all about efficiency, with a tapered mummy shape that maximizes heat retention without unnecessary bulk. The internal YKK zippers and anti-snag zipper guards ensure smooth operation, while the internal stash pocket keeps your essentials within reach.

Whether you’re bivouacking on a mountainside or camping during a chilly spring night, the Rab Neutrino 400 has got you covered. It’s a fortress of warmth, designed to stand up to the rigors of the wild.

WARMTH85

WEIGHT75

COMFORT70

PACKED SIZE70

FEATURES80

Overall Score84

The Sea to Summit Spark SPII 28 is a marvel of ultralight engineering. Designed for the gram-counting backpacker, this bag offers an impressive warmth-to-weight ratio with its 850+ loft Ultra-Dry Down and contoured mummy shape.

The Spark SPII 28’s ultralight shell and liner materials contribute to its featherlight feel without sacrificing durability. Its vertical chest baffles keep the insulation where it’s needed, ensuring efficient heat distribution throughout the night.

This bag is an excellent choice for those who want to move fast and light without being weighed down. The Spark SPII 28 is your ticket to a warm and comfortable night’s sleep, wherever your adventures may take you.

WARMTH80

WEIGHT80

COMFORT70

PACKED SIZE80

FEATURES70

Overall Score83

The Therm-a-Rest Hyperion 32 is where cutting-edge technology meets outdoor comfort. This bag is ultra-lightweight, packing down to the size of a water bottle, yet it provides substantial warmth with its 900-fill Nikwax Hydrophobic Down.

The Hyperion 32’s ergonomic design and zoned insulation focus warmth where you need it most, reducing weight without sacrificing comfort. The synergy between the box-baffled construction and the thermally efficient shape make this bag a standout choice for backpackers.

For those who seek the lightest possible gear without losing out on warmth, the Hyperion 32 is a beacon of innovation. It’s a testament to Therm-a-Rest’s dedication to creating some of the best sleeping bags on the market.

WARMTH70

WEIGHT80

COMFORT70

PACKED SIZE80

FEATURES70

Overall Score81

The Therm-a-Rest Parsec 20 is a fortress against the cold. Its 800-fill Nikwax Hydrophobic Down and ThermaCapture seams lock in heat, while the Toe-asis foot warmer pocket is a welcome retreat for cold toes.

The Parsec 20’s zoned insulation targets warmth where it’s needed, reducing weight and bulk. Its ergonomic design and hydrophobic down ensure that you stay warm and dry, no matter the conditions.

For backpackers who brave the elements in pursuit of adventure, the Parsec 20 is a haven. It’s a sleeping bag that offers top-tier warmth in a lightweight package, making it a trusted ally in the mountains.

WARMTH80

WEIGHT70

COMFORT70

PACKED SIZE70

FEATURES70

Overall Score79

The Mountain Hardwear Phantom 30 is a minimalist’s dream. It’s an ultralight sleeping bag that doesn’t compromise on warmth, thanks to its 850-fill power down and performance mummy cut.

The Phantom 30 is designed for the fast and light backpacker who counts every gram. Its 10D recycled shell fabric is not only lightweight but also environmentally friendly. The contoured footbox and down-filled face gasket wrap you in warmth, ensuring a restful night’s sleep.

When you’re pushing the limits and need a sleeping bag that can keep up, the Phantom 30 is your go-to gear. It’s the ultimate companion for those who travel light and fast.

WARMTH70

WEIGHT70

COMFORT70

PACKED SIZE70

FEATURES70

Overall Score77

The Nemo Disco 15 Endless Promise is a game-changer for those who feel confined by traditional mummy bags. Its innovative spoon shape grants you the freedom to sleep in your favorite position without restriction. The bag’s 650-fill power down insulation and waterproof footbox ensure that you stay warm and dry, no matter the conditions outside.

But the Disco 15 isn’t just about comfort; it’s about convenience too. The integrated pillow pocket and blanket fold give you a touch of home comfort in the heart of the wilderness. And when morning comes, the bag’s vertical baffling and Thermo Gills let you vent body heat without letting cold drafts in.

This bag is a promise of endless adventure, offering the perfect balance of warmth, roominess, and innovative features. It’s ideal for those who want to dance around the constraints of traditional sleeping bags and embrace the freedom of the outdoors.

WARMTH80

WEIGHT36

COMFORT80

PACKED SIZE70

FEATURES70

Overall Score74

The Mountain Hardwear Bishop Pass 15 strikes an impressive balance between affordability and performance. This bag doesn’t skimp on features, with its Q.Shield DOWN 650-fill insulation and durable DWR-coated outer fabric.

The Bishop Pass 15 is a testament to Mountain Hardwear’s commitment to quality, offering a comfortable mummy cut and a draft collar that effectively seals in warmth. The two-way zipper allows for easy ventilation, and the face gasket ensures that cold spots are a thing of the past.

For the backpacker who demands reliability without breaking the bank, the Bishop Pass 15 is a solid choice. It’s a sleeping bag that proves you don’t have to compromise on quality for price.

WARMTH85

WEIGHT63

COMFORT70

PACKED SIZE50

FEATURES65

Overall Score73

The Kelty Cosmic Down 20 is the sleeping bag for every backpacker. It offers a great balance of features, warmth, and affordability, making it a solid choice for those new to backpacking or on a budget.

With its 600-fill DriDown insulation, the Cosmic Down 20 provides reliable warmth in damp conditions. The durable shell can withstand the demands of the trail, and the dual-slider locking zipper adds convenience.

For adventurers seeking a blend of comfort, warmth, and value, the Cosmic Down 20 stands out. It’s a sleeping bag that delivers on its promise of a warm and restful sleep, proving that quality doesn’t always have to come at a premium.

WARMTH60

WEIGHT57

COMFORT60

PACKED SIZE50

FEATURES60

Overall Score63

Conclusion

As we wrap up our journey through the world of backpacking sleeping bags, we hope this blog has illuminated the path to finding your perfect outdoor companion. From the ultralight marvels to the budget-friendly workhorses, each bag we’ve reviewed offers a unique blend of features to suit your adventures under the stars.

Remember, the right sleeping bag can elevate your outdoor experience from mundane to memorable. So choose wisely, pack lightly, and venture boldly. May your trails be scenic and your nights under the canopy of the sky be as restful as they are unforgettable.

Thank you for joining us on this exploration of comfort and warmth in the wild. Until our next adventure, happy trails and serene slumbers. 🌲🌟🏕️