Best Ultralight Sleeping Bags
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Top 9 Best Ultralight Sleeping Bags Of 2024 For Backpacking

Are you an adventurous backpacker searching for the perfect ultralight sleeping bag to take on your next trip? Look no further! We have compiled a list of the top 10 best ultralight sleeping bags of 2023 to help you make an informed decision.

How Do I Choose The Right Ultralight Sleeping Bag?

Choosing the right sleeping bag can be a daunting task, as there are many factors to consider. Here are some key points to keep in mind when making your selection:

  1. Temperature Rating: Look for sleeping bags with a temperature rating suitable for the expected conditions. Consider the coldest temperature you will be camping in and choose a sleeping bag that will keep you warm in those conditions.
  2. Fill Material: There are two main types of fill material for sleeping bags: down and synthetic. Down is lighter and more compressible but loses its insulating properties when wet, while synthetic is bulkier but retains warmth when wet.
  3. Weight: Sleeping bags are designed to be as light as possible, so weight is an important factor to consider. Look for a bag that is light enough to carry comfortably but warm enough to keep you comfortable.
  4. Size: Consider your body size and the size of the sleeping bag. Make sure the bag is long and wide enough for you to sleep comfortably and have room to move around.
  5. Shape: Sleeping bags come in different shapes, including mummy, rectangular, and semi-rectangular. Mummy bags are the most thermally efficient but can be restrictive, while rectangular bags offer more room but may not be as warm.
  6. Features: Look for features such as a draft collar, hood, and zipper draft tube to help keep you warm and comfortable.
  7. Price: Sleeping bags can be expensive, so consider your budget when making your selection. However, it is important to invest in a high-quality sleeping bag that will keep you warm and comfortable on your camping trips.

What Are The Best Ultralight Sleeping Bags?

When it comes to the best sleeping bags for backpacking, there are a few key factors to consider such as weight, pack ability, insulation, and comfort. Check out more details on why an ultralight sleeping bag is a must for backpacking. We’ve researched and tested the top options on the market and have narrowed down the list to the 9 top ultralight sleeping bags for backpackers in 2023.

Sea to Summit Spark Ultralight Sleeping Bag

Sea To Summit Spark Ulrralight Sleeping Bag

Weight: 1lb15oz

Overview

This Sea to Summit ultralight sleeping bag is incredibly lightweight, making it perfect for my backpacking trips. The compact size is a dream come true, fitting snugly in my pack without taking up much space. And yet, it doesn’t compromise on the warmth to weight ratio. . Rated for temperatures as low as 28°F, it kept me cozy on chilly nights.

Now, onto the technical aspects. The bag is filled with RDS 850+ Loft Premium Goose ULTRA-DRY Down, ensuring excellent insulation. The 10D shell and 7D lining are durable, yet light, adding to the bag’s overall appeal. The full-length zipper is a nice touch, allowing for easy access and ventilation. Trust me, this bag is worth every penny.

Top Features

  • ULTRA-DRY Down 850+ Loft 90% Down Cluster Premium Goose Down certified Responsible Down Standard (RDS)
  • Ultralight 10D Nylon Shell and 7D liner materials
  • Zipper-length trimmed for gram-saving performance
  • Baffle construction varies by temperature rating
  • Comes with Ultra-Sil™ compression bag and storage cell

Pricing

Bottom Line

The Spark Ultralight Sleeping Bag is best suited for ultralight backpackers who prioritize weight and packability. For cool-weather camping, the 5°F or 18°F models are ideal, and can even be used as a liner to boost the performance of a warmer bag.


Summerlite 32 Degree Down Sleeping Bag

Summerlite 32 Degree Down Ultralight Sleeping Bag

Weight: 1lb 3 oz

Overview

I’ve been using the Summerlite ultralight sleeping bag for a while now, and let me tell you, it’s a game-changer. Weighing in at just 1 lb 3 oz, it’s the lightest bag I’ve ever owned. But don’t let its weight fool you. This bag is packed with features that make it a must-have for any backpacking enthusiast. The continuous baffle construction ensures that the bag is fully insulated, keeping you warm even in 32-degree weather.

Starting off my day, I love how easy it is to pack this bag. It’s highly compressible, fitting into a 6×12 inch stuff sack with ease. And when the night falls, the full-length zipper with insulated draft protection keeps the cold air out, ensuring a cozy sleep. The best part? It’s made in the USA. The quality is top-notch, and it’s evident in every stitch. The SummerLite is not just a sleeping bag, it’s a dream come true for lightweight backpacking fanatics like me.

Top Features

  • Ultralight and highly packable for backpackers and alpinists
  • 32F-rated 850+ down insulation for warmth and loft
  • Water-resistant shell to retain loft in moist conditions
  • Hood, draft collar, and draft tubes allow for adjustments to trap heat
  • Continuous baffles in the mummy cut eliminate cold spots
  • Full-length zipper on left or right side for convenience
  • Includes stuff and storage sacks

Pricing

Bottom Line

The Summerlite 32 Degree Down Sleeping Bag is best suited for backpackers and alpinists looking for a highly packable sleeping bag that can keep them warm and comfortable in moisture-riddled environments. With its water-resistant shell and 850+ down insulation, this mummy bag is perfect for adventurers who prioritize weight savings and warmth. Don’t miss out on experiencing a comfortable night’s sleep with the Summerlite 32 Degree Down Sleeping Bag.


NEMO Kayu Ultralight Down Mummy Bag

Nemo Kayu Ultralight Down Mummy Bag

Weight: 2lbs 3oz

Overview

The Marmot Trestles Elite Eco 20 Sleeping Bag is a game-changer for camping enthusiasts. It’s a sustainable and durable sleeping bag, constructed from ultralight Pertex Quantum GL fabric. The insulation is top-notch keeping an excellent warmth to weight ratio, thanks to the water-resistant 850-fill-power down. Trust me, it significantly reduces cold spots, ensuring a cozy night’s sleep even when the temperatures drop.

Now, let’s talk about the unique features that make this bag stand out. Firstly, the fold-down second zipper adds ventilation and easy access, a feature I found particularly useful during my camping trips. Plus, the anatomically 3D footbox increases insulation and room for your feet, enhancing warmth and comfort. The bag is also EN tested and comes with a combination wave construction top for maximum loft and warmth. And the best part? It’s designed for taller individuals, accommodating a user height up to 6’6″. So, if you’re looking for a reliable, comfortable, and eco-friendly sleeping bag, the Marmot Trestles Elite Eco 20 is definitely worth considering.

Top Features

  • Thermo Gills™: The flagship Thermo Gills™ allow you to regulate temperature without letting in drafts, deeply extending the useable temperature range.
  • Waterproof/Breathable Footbox and Hood: The waterproof/breathable footbox and hood protect from tent wall condensation.
  • 100% Responsible Down Standard (RDS) Certified: The exceptionally packable 800 FP down is hydrophobic, PFC-free, and 100% RDS certified.
  • Sculpted Fit: The sculpted fit is designed for optimal thermal efficiency and packability.
  • Opposite-Sided Zippers: Opposite-sided zippers allow Kayu men’s and women’s models to be zipped together to create a double sleeping bag.

Pricing

The Kayu Ultralight Down Mummy Bags are competitively priced, with options to suit different budgets. Please check the website the latest pricing information.

Bottom Line

The Kayu Ultralight Down Mummy Bags are perfect for people who love lightweight adventures. The waterproof and breathable footbox and hood protect you from tent wall condensation, and the Thermo Gills™ extend the temperature range of your sleeping bag on milder nights without letting cold drafts in. Kayu men’s and women’s models can be zipped together to create a double sleeping bag. With the NEMO Lifetime Warranty, you can be sure that your investment in a Kayu sleeping bag is protected. Try out the Kayu Ultralight Down Mummy Bags for a comfortable, lightweight sleeping experience on your next adventure.


MARMOT Trestles Elite Eco 20 Sleeping Bag

Marmot Trestles Elite Eco 20 Ultralight Sleeping Bag

Weight: 2lbs 14oz

Overview

Having spent countless nights under the stars, I can tell you that the Marmot Trestles Elite Eco 20 Sleeping Bag is a game-changer. It’s like a cozy cocoon that wraps you in warmth, even when the temperatures plummet. The bag is made from ultralight Pertex Quantum GL fabric, which is not only sustainable but also incredibly durable. The insulation? It’s water-resistant 850-fill-power down, arranged in a baffled construction to eliminate cold spots. Trust me, you’ll appreciate this feature when you’re camping in chilly conditions.

Now, let’s talk about the details that make this sleeping bag stand out. First off, it has a fold-down second zipper that provides added ventilation and easy access. Plus, the main zipper has an anti-snag slider to reduce snagging. A lifesaver, I tell you! The anatomically 3D footbox increases insulation and room for your feet, ensuring maximum warmth and comfort. The unique blend of 100% fibers provides maximum warmth, a soft feel, and high loft. And the best part? It’s designed to accommodate a user height up to 6’6″. So, if you’re a tall camper like me, this is the sleeping bag for you.

Top Features

  • 850-fill-power goose down insulation for maximum warmth
  • Mummy shape for increased thermal efficiency
  • 3D hood construction for added warmth and comfort
  • Lightweight and highly compressible
  • EN tested to provide accurate temperature ratings

Pricing

Bottom Line

The Marmot Phase 20 Sleeping Bag is an excellent option for ultralight backpackers who need a high-quality sleeping bag that is both warm and compressible.


THE NORTH FACE Cat’s Meow Sleeping Bag

The North Face Cat'S Meow

Weight: 2lbs 1oz

Overview

The Cat’s Meow Sleeping Bag from THE NORTH FACE is a classic 20-degree bag that features lightweight Heatseeker Guide insulation, a water-repellent finish, and durable fabrics. It also has internal handwarmer pockets, a vaulted footbox, a draft collar for comfort and to prevent heat loss, and pad loops for attaching the bag to a sleeping pad. The proprietary Heatseeker Guide insulation, powered by THERMOLITE, is a blend of cut-staple and continuous-filament insulation that is light and long lasting.

Top Features

  • Lightweight Heatseeker Guide insulation
  • Water-repellent finish and durable fabrics
  • 10% more compressible than previous versions
  • Internal handwarmer pockets
  • Cyclone construction for efficient, compressible, vertical baffles

Pricing

Bottom Line

The Cat’s Meow Sleeping Bag from THE NORTH FACE is an excellent choice for backpackers and campers who need a reliable, warm, and lightweight sleeping bag. Its Heatseeker Guide insulation, water-repellent finish, and durable fabrics make it a great option for a variety of outdoor activities. The bag is also 10% more compressible than previous versions, making it easier to pack and carry. If you’re in the market for a high-quality sleeping bag, we highly recommend giving the Cat’s Meow a try.


NEMO Riff Down Sleeping Bag

Nemo Riff Down Ultralight Sleeping Bag

Weight: 2lbs 6oz

Overview

The NEMO Riff Sleeping Bag is a top-of-the-line, sleeping bag designed for backcountry exploration. Its unique Ultralight Spoon™ shape is tailored for side sleepers, providing extra space at the elbows and knees for comfort throughout the night.

Top Features

  • Ultralight Spoon™ shape adds room at elbows and knees while still providing weight-shaving warmth
  • Premium 800 FP hydrophobic, PFAS-free, 100% RDS-certified down for ultimate insulation
  • Waterproof/breathable footbox keeps feet warm and dry, even in wet tent conditions
  • Thermo Gill™ vents regulate temperature throughout the night, preventing overheating
  • Blanket Fold™ draft collar and full-length draft tube offer tucked-in comfort and temperature control
  • Full-length double-slider #5 YKK zipper with zipper plow for easy entry and exit
  • Integrated pillow pocket provides elevated support using extra clothes or a Fillo™ pillow
  • Opposite-sided zippers on men’s and women’s models allow for double sleeping bag versatility

Pricing

Bottom Line

The NEMO Riff Sleeping Bag is best suited for avid backcountry explorers looking for a lightweight and comfortable sleeping bag designed for side sleepers. With its premium features and top-of-the-line insulation, the Riff is a reliable choice for any outdoor adventure. Try it out with NEMO’s lifetime warranty.


Therm-a-Rest Hyperion Ultralight Down Sleeping Bag

Therm-A-Rest Questar 20 Ultralight Sleeping Bag

Weight: 1lb 2oz

Overview

The Therm-a-Rest Hyperion 20 UL Sleeping Bag is a lightweight and compact sleeping bag designed for backpacking and mountaineering. The bag features compressible down insulation and a tapered mummy shape to keep weight and packed size to a minimum.

Top Features

  • Lightweight: The Hyperion is one of the lightest sleeping bags in its class.
  • Unrivaled Packability: The use of lightweight materials and precise design allows for a smaller packed size than ever before.
  • Box Baffled Construction: Mesh box baffles are used to maximize thermal efficiency in key areas, boost loft, and eliminate cold spots at the seams of the sleeping bag or quilt.
  • Comfort Fit: The ergonomic shape and longer zipper provide a more human-friendly fit than other ultralight bags.
  • SynergyLink™ Connectors: These removable straps integrate your mattress and sleeping bag to minimize heat loss and keep you secure through the night.
  • Zoned Insulation: Fill is intentionally placed where you need it most to maximize warmth and save weight.

Pricing

The Therm-a-Rest Hyperion 20 UL Sleeping Bag is priced at [insert price here].

Bottom Line

The Therm-a-Rest Hyperion 20 UL Sleeping Bag is best suited for backpackers and mountaineers looking for a lightweight and compact sleeping bag that can keep them warm in colder temperatures. The bag’s many features, such as its responsible down certification and zoned insulation, make it an excellent choice for those who prioritize performance and functionality.


Kelty Cosmic 20 Sleeping Bag

Kelty Cosmic 20 Ultralight Sleeping Bag

Weight: 2lbs 2oz

Overview

The Kelty Cosmic 20 Sleeping Bag is the perfect three-season sleeping bag for backpackers and campers who need a lightweight yet comfortable and warm sleeping bag. The quick-drying synthetic version of Kelty’s flagship backpacking bag is designed for all-occasion use.

Top Features

  • Lightweight for easy backpacking
  • Quick-drying synthetic insulation
  • Natural Fit spacious footbox for added comfort
  • Comfort Hood with Draft Collar for added warmth
  • Handy stash pocket for storing small essentials

Pricing

Choose between the Regular and Long sizes, with the option for right-hand zipper location.

Bottom Line

The Kelty Cosmic 20 Sleeping Bag is best suited for backpackers and campers who need a lightweight yet warm sleeping bag for all-occasion use. With its synthetic insulation, natural fit spacious footbox, and comfort hood with draft collar, this sleeping bag offers excellent value for its price. Try it out for yourself and see why it’s the go-to choice for many outdoor enthusiasts.


Mons Peak Settler 15 F Sleeping Bag

Settler 15F Ultralight Sleeping Bag

Weight: 2lbs 8 oz

Overview

The SETTLER 15 F Sleeping Bag is a 3 season sleeping bag made for backpacking, camping, mountaineering, expeditions, or hiking trips. It provides a comfortable sleeping experience and is designed to keep you warm and cozy in chilly weather conditions.

Top Features

  • Dual YKK Zippers with Pulls & Anti-snag Primary Zipper
  • Neck Draft Collar & Full-Length Zipper Draft Tubes
  • Hood & Neck Independent Cinch Draw Cords
  • Outside Easy Access Stash Pocket
  • Pillow Pouch
  • Ultra-soft Nylon Fabrics with CIRE WR
  • Synthetic Fill with Heat Optimized Profile
  • Performance Tested at an independent Lab in the USA
  • Available in 3 Lengths with Left or Right Zippers
  • Compression Sack Included

Pricing

Bottom Line

The SETTLER 15 F Sleeping Bag is ideal for anyone looking for a warm, cozy sleeping experience while outdoors. Its many features, including the anti-snag zipper, neck draft collar, and easy access stash pocket, make it a top choice for outdoor enthusiasts. The sleeping bag is available in three different lengths and includes a compression sack for easy storage and transport.


What Is the Best Ultralight Sleeping Bag?

After reviewing the top ultralight sleeping bags on the market, the Sea to Summit Spark Ultralight Sleeping Bag is the best options for most backpackers. They offer a great balance of warmth, weight, and comfort, and are suitable for a wide range of temperatures and environments.

Wrapping Up

In conclusion, finding the right sleeping bag for your needs can be a challenging task. However, by considering important factors such as weight, insulation, and comfort, you can make an informed decision that will ensure a good night’s sleep on your next outdoor adventure.

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