Big Agnes Pluton UL
Best ultralight insulation for minimalist summer backpackers.
An exceptionally light and compressible mummy bag designed for minimalist backpacking. It balances high-loft insulation with a versatile design that functions as both a sleeping bag and a quilt, making it perfect for weight-conscious adventurers.
$369.95
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Who it's for
- Fast-and-light backpackers prioritizing minimal pack volume and weight
- Thru-hikers needing reliable warmth in variable backcountry climates
- Summer campers who want flexibility for fluctuating nighttime temperatures
Who should skip it
- Restless sleepers who require more interior wiggle room
- Rugged adventurers who are tough on their gear
- Cold-weather campers needing a true three-season sleeping solution
Performance breakdown
Weight efficiency
Featherlight construction makes this nearly unnoticeable in a packed ultralight kit.
Versatility
The ability to open fully as a quilt adds significant temperature flexibility.
Moisture resistance
Treated down insulation maintains loft effectively during humid or damp nights.
Packability
Compresses down to a tiny footprint, saving precious space for other gear.
Thermal comfort
Best suited for mild summer nights rather than shoulder-season alpine conditions.
Ergonomic design
The foot-box shape prevents cramping while maximizing warmth in critical areas.
Key Specs
Weight
1 lb (Regular), 1 lb 3 oz (Long)
Fill Weight
8 oz (Regular), 10 oz (Long)
Insulation
850 fill DownTek
Shell Material
Pertex Quantum nylon rip-stop
Lining Material
Pertex Quantum nylon rip-stop
Temperature Rating
40 degrees Fahrenheit
Zipper
70 inch YKK #3
Max User Height
78 inches
Know before you buy
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Ask Metto anything about the Big Agnes Pluton UL before you decide.
