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Neutrino Pro 900 Sleeping Bag: -10F Down

5 out of 5 stars
3 Reviews
Current price: $495.00 - $510.00 Original price: $680.00
25% off



Why We Like The Neutrino Pro 900 Sleeping Bag

Forty years of fine-tuning sleeping bags got Rab to the Neutrino Pro 900 Sleeping Bag, one of its most advanced mountaineering bags to date, and not just because of its warmth—rated to negative twenty degrees, by the way. This bag's narrow mummy shape reduces pack size without sacrificing insulation, and the trapezoidal baffles keep the 800 fill power goose down lofted for maximum warmth and minimal heat loss.


  • Ultra-warm sleeping bag for low temperatures at high elevations
  • Rated to twenty-below for winter camping and alpine excursions
  • Mummy shape with adjustable hood to seal in body heat
  • Weather-resistant Pertex Quantum Pro made with recycled nylon
  • Nikwax-treated down certified by the Responsible Down Standard
  • Close-fitting silhouette minimizes heat loss and pack size
  • Trapezoidal baffles maximize loft for increased heat retention
  • Item #RABZ0HU
Responsible Collection
Recycled/Repurposed, Responsibly Sourced
Pertex Quantum Pro (20D 100% recycled nylon), FC-free DWR coating
800-fill goose down (RDS-certified), Nikwax
Max User Height
[regular] 72.8in, [long] 78.7in
Shoulder Circumference
[regular] 63in, [long] 63.8in
Hip Circumference
[regular] 52.8in, [long] 53.5in
Foot Circumference
[regular] 40.2in, [long] 40.9in
Bag Length
[regular] 84.6in, [long] 90.6in
Draft Tube
[internal] 1 zippered front
Pad Retainer
Fill Weight
[Rab sleep limit] -10F
Storage Sack
zippered cotton
Stuff Sack
waterproof roll-top
Stuff Size
17.7 x 11in
Claimed Weight
[regular] 3lb 11.6oz, [long] 3lb 14.8oz
mountaineering, winter camping
Manufacturer Warranty

Overall Rating

5 based on 3 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 0 reviews
3 Stars - 0 reviews
4 Stars - 0 reviews
5 Stars - 3 reviews

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5 out of 5 stars

December 12, 2022

great quality and workmanship. true

great quality and workmanship. true temperature range

Michal P.

Originally reviewed on Rab

5 out of 5 stars

May 26, 2022

Top draw - best sleeping

Top draw - best sleeping bag I’ve ever had. Also of note, is the storage bag and stuff sack - typical of Rab’s top quality service. I am 6’4’’, but the regular fits me fine.

David C.

Originally reviewed on Rab

5 out of 5 stars

April 3, 2022

Neutrino pro 900 down sleeping bag.

I was recently gifted the neutrino pro 900 sleeping bag from RAB..I've used it several times in that time in the Lake district in temperatures down to -2..The bag is extremely comfortable & kept me snug & warm..for a 4 season bag it is light & extremely packable given its rating..The bag in future be my go to winter sleeping bag on my adventures in the UK.

Andrew B.

Originally reviewed on Rab