Big Agnes Greystone Sleeping Bag
Best eco friendly option for versatile three season backpacking
This three-season mummy bag balances warmth and packability with high-quality water-repellent down. It offers a reliable, lightweight solution for backpackers who need consistent thermal performance without the bulk.
$179.36
at
Enwild / TrailSense
More Greystone options
Who it's for
- Environmentally aware campers seeking high-performance gear with a smaller footprint
- Backpackers frequently trekking through humid or unpredictable weather environments
- Cold sleepers who need maximum thermal efficiency in a lightweight package
Who should skip it
- Winter explorers needing a bag rated for sub-freezing alpine temperatures
- Budget-conscious hikers looking for the most affordable sleeping solution available
- Active sleepers who prefer extra room to move or turn
Performance breakdown
Warmth-to-Weight Ratio
Efficient insulation keeps the pack light without sacrificing essential thermal protection.
Moisture Management
Water-repellent down maintains loft reliably even in humid, damp backcountry conditions.
Packability
Compresses easily into the included sack for streamlined storage in your pack.
Thermal Efficiency
Contoured hood and draft collar effectively lock in your body heat.
Durability
Recycled ripstop shell balances eco-conscious materials with necessary trail-ready toughness.
Ease of Entry
Anti-snag zipper design ensures frustration-free access during late-night bathroom breaks.
Key Specs
Shape
Mummy
Temperature Rating
30 degrees Fahrenheit
Weight
1.81 lbs
Insulation Type
600-Fill DownTek
Fill Power
600 cubic inches per ounce
Shell Material
Recycled 20D 400T Polyester ripstop
Lining Material
Recycled 20D 380T Polyester taffeta
Zipper Location
Left
Water Resistant
Yes
Has Draft Collar
Yes
Know before you buy
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