Big Agnes Lost Ranger
Best comfortable and versatile sleeping bag for backpackers and campers.
This modular sleep system solves the age-old problem of sliding off your pad by integrating the bag and mattress into one cohesive unit. It offers impressive versatility, allowing you to adjust your setup based on the temperature, making it a true multi-season workhorse for backcountry comfort.
$399.95
In stock
at
Backcountry
More Lost Ranger options
Who it's for
- Campers seeking stable, comfortable sleep without pad migration.
- Backpackers prioritizing lightweight gear for multi-day trips.
- Sleepers who desire extra room and freedom of movement in their bag.
Who should skip it
- Users with diverse sleeping pad collections or non-standard pads.
- Budget-conscious campers seeking more affordable sleeping bag solutions.
- Winter adventurers needing a bag for consistently harsh, very cold environments.
Performance breakdown
Thermal Versatility
Modular design adapts seamlessly across a wide range of seasonal temperatures.
Moisture Management
DownTek insulation maintains loft and warmth even in damp, humid conditions.
Sleep Stability
Integrated pad-securing system keeps the bag centered throughout the night.
Weight-to-Warmth Ratio
Solid performance for a 15-degree bag, though not ultralight class.
Heat Retention
Draft collars and mummy shaping effectively eliminate cold spots.
Packability
Included compression sack helps, but 650-fill down takes up moderate space.
Key Specs
Temperature Rating
15°F
Insulation
650-fill DownTek
Weight
2.75 lbs (Regular)
Max User Height
72 inches
Shell Material
20D recycled polyester ripstop
Lining Material
20D recycled polyester taffeta
Zipper Location
Full-length
Water Resistant
Yes
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