Best Sleeping Bag 2025
Tested in the Rockies, desert nights and northern forests of the US.
Find the best sleeping bag through our selection of thoroughly reviewed products. All sleeping bags here can be used for hiking or comfort camping and have a stated temperature rating suitable for conditions in the US. To get to our results, we looked at almost one hundred different products and selected the best sleeping bags in each key category. We have assessed and provided comprehensive reviews of our top contenders for you to better decide on what sleeping bag to buy. Access them via the ‘Read Full Review’ buttons below. Need somewhere to sleep? Check out our list of best backpacking tents.
Updated 29th September 2025
Sleeping Bag Reviews
Western Mountaineering Ultralite
Price At Time Of Writing - $610.00
Packed Size - 13x7in
Weight - 1lb 1oz
Fill - 850+ Goose Down
Overall Rating | 94
Comfort | 9
Construction | 9
Features | 8
Size/Weight | 10
Versatility | 9
Best For - Alpine climbers and winter backpackers needing maximum warmth-to-weight
Pros - Lightweight, very warm, packable
Cons - Snug fit limits movement and ventilation
Overall - A premium, no-compromise bag for serious cold-weather trips
Sea to Summit Spark Pro
Price At Time Of Writing - $649.00
Packed Size - N/A
Weight - 1lb 11oz
Fill - 950-fill Ultra-Dry Down
Overall Rating | 92
Comfort | 9
Construction | 9
Features | 8
Size/Weight | 9
Versatility | 7
Best For - Ultralight thru-hikers who value smart features and minimal weight
Pros - Light, warm, feature-rich design
Cons - Expensive, delicate fabric requires care
Overall - A top-performance bag where every gram counts
Valandre Bloody Mary
Price At Time Of Writing - $500.00
Packed Size - 8x7in
Weight - 2.6lbs
Fill - 800 French Fat Grey Goose Down
Overall Rating | 91
Comfort | 8
Construction | 9
Features | 8
Size/Weight | 8
Versatility | 8
Best For - Expedition mountaineers facing extreme and wet conditions
Pros - Extremely weather-resistant, warm, packs small
Cons - Very expensive, mummy shape
Overall - A bombproof, expedition-grade shelter for the harshest environments
Mountain Hardwear Phantom
Price At Time Of Writing - $450.00
Packed Size - 13x6in
Weight - 1lb 7oz
Fill - 850-fill Goose down
Overall Rating | 90
Comfort | 9
Construction | 8
Features | 8
Size/Weight | 8
Versatility | 7
Best For - Four-season backpackers seeking reliable warmth without extreme weight
Pros - Excellent warmth for weight, compresses well
Cons - Down lacks water-resistant treatment
Overall - A high-value performer for cold, dry conditions
The North Face Blue Kazoo
Price At Time Of Writing - $290.00
Packed Size - 17x9in
Weight - 1lb 12.2oz
Fill - 700g ProDown
Overall Rating | 90
Comfort | 8
Construction | 8
Features | 7
Size/Weight | 10
Versatility | 7
Best For - Three-season hikers wanting balanced performance and comfort
Pros - Even heat distribution, lightweight
Cons - Narrow footbox can feel tight
Overall - A reliable, well-designed bag for general backpacking
Rab Mythic Ultra 120
Price At Time Of Writing - $465.00
Packed Size - 12.6x6.3in
Weight - 11.6oz
Fill - 900-Fill Power European Goose Down
Overall Rating | 89
Comfort | 8
Construction | 9
Features | 8
Size/Weight | 10
Versatility | 5
Best For - Those wanting the absolute minimum weight above all
Pros - Ultralight, warm for its weight
Cons - Minimalist design sacrifices versatility and comfort
Overall - A specialist tool for cutting weight on demanding routes
Therm-a-Rest Hyperion 20
Price At Time Of Writing - $469.95
Packed Size - 8x6in
Weight - 1lb 4oz
Fill - 900-fill-power Nikwax Hydrophobic Goose down
Overall Rating | 89
Comfort | 6
Construction | 9
Features | 9
Size/Weight | 10
Versatility | 5
Best For - Ultralight summer backpackers
Pros - Extremely light, high-quality materials
Cons - Expensive, snug fit, less warm
Overall - The top choice for minimizing weight in warmer conditions
Big Agnes Torchlight 20
Price At Time Of Writing - $349.95
Packed Size - 17.5x8in
Weight - 36oz
Fill - 850-Downtek Water-Repellent Down
Overall Rating | 89
Comfort | 8
Construction | 8
Features | 7
Size/Weight | 8
Versatility | 8
Best For - Restless side sleepers
Pros - Roomy rectangular shape, comfortable, water-resistant down
Cons - Heavier than ultralight bags, zips may snag
Overall - A top pick for comfort and movement in three seasons
Therm-a-Rest Parsec 0
Price At Time Of Writing - $569.95
Packed Size - 8x9in
Weight - 2lbs 6oz
Fill - 800 Nikwax Hydrophobic Down
Overall Rating | 89
Comfort | 9
Construction | 9
Features | 7
Size/Weight | 6
Versatility | 8
Best For - Cold shoulder-season camping
Pros - Waterproof, well-insulated, comfortable
Cons - Fitted cut may feel tight
Overall - A reliable synthetic bag for damp, chilly conditions
Western Mountaineering Apache GWS
Price At Time Of Writing - $790.00
Packed Size - 8x15in
Weight - 2lb 6oz
Fill - 850-Fill Goose Down
Overall Rating | 89
Comfort | 8
Construction | 8
Features | 7
Size/Weight | 7
Versatility | 9
Best For - Wet and cold winter conditions
Pros - Very warm, weather-resistant shell
Cons - Heavier, less compressible
Overall - A durable, weather-ready bag for serious cold
Kelty Cosmic Ultra 20F
Price At Time Of Writing - $219.95
Packed Size - 15x7in
Weight - 2.35lbs
Fill - 800-fill DriDown
Overall Rating | 88
Comfort | 8
Construction | 7
Features | 7
Size/Weight | 7
Versatility | 9
Best For - Budget-conscious backpackers
Pros - Great value, comfortable, water-resistant
Cons - Bulkier than premium bags
Overall - A versatile and reliable all-rounder
REI Co-Op Magma 15
Price At Time Of Writing - $399.00
Packed Size - 16.5x7.8in
Weight - 2lb 3.6oz
Fill - 850-Fill Goose Down
Overall Rating | 86
Comfort | 8
Construction | 8
Features | 7
Size/Weight | 6
Versatility | 7
Best For - Cold-weather backpackers seeking value
Pros - Warm, well-made, multiple sizes
Cons - Slightly heavy for ultralight use, warm for summer
Overall - Excellent comfort and warmth for the price
Rab Neutrino 800
Price At Time Of Writing - $585.00
Packed Size - 17.7x11in
Weight - 2lbs 10.6oz
Fill - 800-fill Goose down
Overall Rating | 84
Comfort | 7
Construction | 7
Features | 6
Size/Weight | 8
Versatility | 6
Best For - Winter and alpine expeditions
Pros - Excellent warmth-to-weight, compresses small
Cons - High cost
Overall - A high-performance bag for serious cold
Sea to Summit Trek Down 15
Price At Time Of Writing - $399.00
Packed Size - N/A
Weight - 3lb 2.7oz
Fill - 650-Fill Duck Down
Overall Rating | 83
Comfort | 7
Construction | 8
Features | 6
Size/Weight | 7
Versatility | 5
Best For - Car camping and short backpacking trips
Pros - Spacious, comfortable, versatile
Cons - Heavy, bulky pack size, zip slightly fussy, minor down leakage
Overall - A comfortable bag where weight is not critical
Mountain Hardwear Bishop Pass 15
Price At Time Of Writing - $285.00
Packed Size - 8x15.5in
Weight - 2lb 5.4oz
Fill - 650-Fill Power Duck Down
Overall Rating | 83
Comfort | 8
Construction | 8
Features | 6
Size/Weight | 5
Versatility | 6
Best For - Budget-conscious three-season backpacking
Pros - Warm, good value
Cons - Bulky when packed
Overall - A reliable and affordable cold-weather bag
Big Agnes Sidewinder
Price At Time Of Writing - $249.95
Packed Size - 8x17.5in
Weight - 2lb 4oz
Fill - 650 DownTek™ and FireLine™ Eco
Overall Rating | 80
Comfort | 7
Construction | 7
Features | 6
Size/Weight | 4
Versatility | 6
Best For - Side sleepers who move around at night
Pros - Unique side-sleeper shape, warm, roomy
Cons - Some down leakage, not for back sleepers
Overall - Solves comfort issues for side sleepers in the cold
Afterword
Sleeping bags are a basic essential when going on outdoor adventures. Whether you are hiking or camping, the selection on this page will guide you through choosing the best sleeping bag in Germany. Have a new product you’d like us to review? Hit up our contact page and send us specific product suggestions. We’d love to hear from you!
About Our Testing Process
Here at The Equipment Guide, we write reviews for the US with the goal of providing a genuine personal assessment of the best products.
All products are reviewed and ranked in a methodical and careful manner and we assess them on relevant key features. We do not accept free products from manufacturers.
Our mission is simple: To create the US’ best outdoor gear reviews.