Neutrino Pro 500 Down Sleeping Bag (-9C)
Eliminating excess bulk with a highly tapered design and offering exceptional warmth and protection for its weight, this bag is built for fast and light mountain missions. Filled with 800FP, goose down and covered with wind and water resistant, recycled Pertex® Quantum Pro.
Product Characteristics
What It's Best For
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Material Facts
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Material Facts
Neutrino Pro 500 Down Sleeping Bag (-9C)
Total Recycled Content* i
|
39% |
Fabric i
|
97% |
Outer | 95% |
Liner | 100% |
Hydrophobic Down | 0% |
Zips i
|
39% |
Trims i
|
8% |
Fluorocarbon Content i
|
|
Fabric i
|
No |
Outer | No |
Liner | No |
Hydrophobic Down | No |
Zips i
|
Yes |
Trims | No |
Manufactured in United Kingdom | |
*Calculations based upon the weight of a regular length sleeping bag. | |
The Specifics
- Insulation:800FP European Goose Down with Nikwax Fluorocarbon-Free Hydrophobic Finish (500g / 17.6oz)
- Weight:(Regular) 915g/32.3oz, (Long) 1005g/35.5oz
- EN (13537:2012) Temperature rating:ISO EN: Comfort: 0°C (32°F), Limit: -6°C (21°F), Extreme: -24°C (-11°F)
- Rab Sleep Limit:-9°C (15°F)
- Packed Size:35cm x 23cm (13.8in x 9in)
- Product Code:QSM-83
- 20D Pertex® Quantum Pro recycled nylon ripstop (40gsm) with fluorocarbon-free DWR
- Lining: 20D Recycled Nylon (38gsm)
- 800FP European Goose Down with Nikwax Fluorocarbon-Free Hydrophobic Finish (500g / 17.6oz)
- Weight saving chevron baffle design, reduces down migration and optimises core warmth.
- Trapezoidal boxwall construction with differential cut, to maximise loft and warmth
- Close fitting adjustable neck baffle design for decreased heat loss
- YKK 3/4 length main zip with synthetic filled baffle to trap warmth
- Adjustable hood closure system with elasticated drawcord and cordlock
- YKK Anti-snag zip insert and anti snag internal zip guard
- Angled foot box for relaxed sleeping posture
- Waterproof roll-top compression sack included
- Zipped cotton sack with water-resistant base for home storage
- Hand-filled in Derbyshire UK
- Main: 100% recycled polyamide with polyurethane coating. Lining: 100% recycled polyamide
- Tapered Mummy Shape
Sleeping Bag Size Guide

Tapered Mummy | Regular | Long |
---|---|---|
Sleeping Bag Length | 215cm / 84.6 in | 230cm / 90.6 in |
Max User Height | 185cm / 72.8 in | 200cm / 78.7 in |
Internal Shoulder Girth | 160cm / 63.0 in | 162cm / 63.8 in |
Internal Hip Girth | 134cm / 52.8 in | 136cm / 53.5 in |
Internal Foot Girth | 102cm / 40.2 in | 104cm / 40.9 in |
Pack Size | 35cm x 23cm | 35cm x 23cm |




What is hydrophobic down?
We finish all our down with a hydrophobic treatment that enables it to retain its loft in damp conditions, so that your gear dries fast and stays warm. Find out how it works.
*With the exception of our 1000FP down.




What is hydrophobic down?
We finish all our down with a hydrophobic treatment that enables it to retain its loft in damp conditions, so that your gear dries fast and stays warm. Find out how it works.
*With the exception of our 1000FP down.




Pertex® Quantum Pro
A durable, lightweight, water resistant fabric that encourages down to fully loft. Packable, breathable, and protective, it's ideal for use in changeable mountain conditions.




Pertex® Quantum Pro
A durable, lightweight, water resistant fabric that encourages down to fully loft. Packable, breathable, and protective, it's ideal for use in changeable mountain conditions.




Rab Sleep Limit Explained
Need help choosing the right bag for your next adventure? This is our real-world assessment of a sleeping bag's usable temperature limit. Find out how we arrive at this rating and how you can use it to select your bag.




Rab Sleep Limit Explained
Need help choosing the right bag for your next adventure? This is our real-world assessment of a sleeping bag's usable temperature limit. Find out how we arrive at this rating and how you can use it to select your bag.




Neutrino Collection
Stripped back and lightweight the Neutrino embodies the Alpine spirit. Eliminating excess bulk while offering warmth and protection, it’s built for fast moving mountain missions. Ideal for the alpinist on big mountain bivis and hut to hut stopovers.




Neutrino Collection
Stripped back and lightweight the Neutrino embodies the Alpine spirit. Eliminating excess bulk while offering warmth and protection, it’s built for fast moving mountain missions. Ideal for the alpinist on big mountain bivis and hut to hut stopovers.