Rab Neutrino Sleeping Bag
Best ultralight sleeping bag for fast-paced alpine mountaineers.
A highly packable, lightweight option for alpine climbers and summer backpackers. It balances minimal weight with reliable warmth, using hydrophobic down to handle unpredictable mountain weather.
$317.22
at
Outland USA
More Neutrino options
Who it's for
- Ultralight backpackers prioritizing minimal pack weight and maximum warmth
- Adventurers needing durable, weather-resistant protection in harsh environments
- Cold sleepers requiring efficient heat retention in a mummy fit
Who should skip it
- Budget-conscious hikers seeking affordable, entry-level sleeping gear
- Winter mountaineers needing insulation for sub-freezing conditions
- Carefree campers wanting low-maintenance, moisture-tolerant synthetic insulation
Performance breakdown
Warmth-to-Weight Ratio
High-loft 800FP down delivers exceptional thermal efficiency for minimal pack weight.
Packability
Compresses down effortlessly into the included waterproof sack for fast-paced missions.
Thermal Regulation
Chevron baffles and boxwall construction effectively lock in heat without cold spots.
Weather Protection
Hydrophobic down and DWR coating provide reliable defense against damp mountain conditions.
Ergonomic Comfort
Angled foot box and adjustable hood allow for a natural sleeping posture.
Ease of Entry
Anti-snag zipper design makes getting in and out quick and frustration-free.
Key Specs
Weight
2 lbs
Shape
Mummy
Insulation Type
Down
Fill Power
800 cubic inches per ounce
Shell Material
Ripstop Nylon
Lining Material
Nylon
Zipper Location
Right
Season Rating
Summer
Water Resistant
Yes
Has Draft Collar
Yes
Know before you buy
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Ask Metto anything about the Rab Neutrino Sleeping Bag before you decide.