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Neutrino Pro 500 Sleeping Bag: 15F Down

5 out of 5 stars
1 Review
$500.00 - $520.00



Why We Like The Neutrino Pro 500 Sleeping Bag

Even during the summer, the temperatures can get drastic after dark, so we keep the Neutrino Pro 500 Sleeping Bag in our mountaineering kit for three-season comfort. The bag's narrow silhouette and chevron-shaped baffles keep pack weight as low as possible, while 800-fill down ensures we're as warm as can be once the sun goes down. Weather-resistant hydrophobic down and water-repelling recycled nylon prepare us for summer storms and high-mountain snow.


  • Narrow mummy sleeping bag offers cozy nights at high elevations
  • Fifteen-degree limit ideal for three-season alpine adventures
  • 800-fill power down with Nikwax treatment for all-weather warmth
  • Insulation certified to the Responsible Down Standard
  • Recycled Pertex Quantum Pro is abrasion- and moisture-resistant
  • Chevron-shaped baffles cut weight and improve heat retention
  • Close-fitting neck baffle and adjustable hood prevent drafts
  • Included waterproof compression sack saves pack space and weather worries
  • Item #RABZ0HS
Responsible Collection
Recycled/Repurposed, Responsibly Sourced
Pertex Quantum Pro (20D 100% recycled nylon, PU, fluorocarbon-free DWR), [lining] 100% recycled nylon
800-fill down (RDS-certified), Nikwax fluorocarbon-free hydrophobic finish
tapered mummy
Max User Height
[regular] 6ft 0.8in, [long] 6ft 6.7in
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
1 zippered
Pad Retainer
Fill Weight
500g (1lb 1.6oz)
[Rab sleep limit] 15F
European Norm/ISO Comfort Rating
European Norm/ISO Lower Limit Rating
Storage Sack
zippered cotton
Stuff Sack
waterproof roll-top
Stuff Size
13.8 x 9.1in
Claimed Weight
[regular] 2lb 0.3oz, [long] 2lb 2.5oz
backpacking, mountaineering
Manufacturer Warranty

Overall Rating

5 based on 1 ratings

Review Summary

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

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5 out of 5 stars

August 2, 2022

very impressed with the quality

very impressed with the quality of the bag. I bought it for use when the seasons get a bit colder, and I have no doubts it will be up to the job. A very well made product, and I love the storage sack. its smart, and stacks well! All in the details. Top Stuff RAB

Tim F.

Originally reviewed on Rab