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Rab Neutrino Endurance 600

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The Rab Neutrino Endurance 600 with hydrophobic down is a more durable weather resistant version of the standard Neutrino 600. As with its name sake, the Endurance features hydrophobic European goose down with an 800 fill power and a roll-top waterproof compression stuff sac, however it differs byway of the Pertex Neutrino Endurance outer: which repels water and snow more effectively, as well as providing slightly more durability. The Neutrino 600 is aimed at alpinism and lightweight mountaineering, as well as proving ideal for for ski touring and cold weather backpacking. Utilising a tapered mummy shape and cutting edge materials they greatly reduce weight and maximise warmth.

Remember, temperature ratings are used to indicate a bags performance and help you decide between models. However, they are subjective and can be greatly affected by factors such as what you're happy to wear (clothing wise) in conjunction with the bag, your health and metabolism, how much you have had to eat or drink, humidity and altitude, the type of shelter used and whether you are using a suitable insulating mat.

As a guide, the "Comfort" rating indicates the range at which a woman gets a comfortable night’s sleep, the "Limit of Comfort" rating indicates the range at which a man gets a comfortable night’s sleep and the "Extreme" rating indicates a range at which a woman is protected from hypothermia. The Extreme rating is basically a survival rating and it is not advisable to rely on this for general use.

More Help? For further assistance on choosing your down sleeping bag, please view the various help videos available under the 'Videos' tab above. We also have an article explaining fill power, the pros and cons of down over synthetic insulation and more info on caring for your bag available to view here: Down Sleeping Bags.


Pertex® Endurance outer fabric
Pertex Quantum® inner fabric
Pertex® Endurance inner fabric in hood and collar
800FP European Goose Down
Rab® fluorocarbon free Hydrophobic Down developed in conjunction with Nikwax®
Improved close fitting neck baffle design
Mummy taper shape
Proportionally assigned differential cut
Internal YKK 3 coil zipped stash pocket
¾ length YKK 5 coil main zip
Left and right hand zips available
Anti snag zipper webbing tape
Internal collar and hood drawcord
Trapezoidal baffle chamber design
Angled foot box
Dry bag compression stuff sack
Cotton storage sack
Temperature tested to new European standard EN13537: 2012
Hand filled in Derbyshire UK

Perfect for: Mountaineering, Cold Weather Backpacking and Ski Tours.


  • Compressed Size: 38 x 20 cm
  • Max User Height: 185cm
  • Manufacturer: Rab
  • Fill Power: 850+US European Fluorocarbon Free Hydrophobic Goose Down
  • Weight: 1100g

Customer Reviews

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Sioux F.
United Kingdom

Warm and good for a tall(ish) lady

The sleeping bag is warm, light and packs relatively small. Fitted the bill for camping in a frosty and snowy Wales last weekend. I am a 5'7" lady and definitely needed the length of the men's version.

Gordon K.
United Kingdom

Great sleeping bags for the Scottish highlands

I recently purchased both the 400 & 600 versions of the Rab Neutrino Endurance sleeping bag from Rock + Run. The price and quality of service provided by Rock + Run was excellent, including very fast delivery. I chose these specific two Rab sleeping bags for use in the highlands of Scotland, to cover the extremes of weather experienced over the seasons in the highlands. My initial impressions have been they are both very well made and use the best of materials, between them they comfortably cover a wide range temperatures in all types weather.

Penny F.
United Kingdom

Perfect product and service! Need I say more.

Haven’t used it yet but it is just what I wanted and sure it will be great.

Erik K.


Super Kommunikation nach Fehllieferung, der richtige Artikel wurde umgehend nach Meldung los geschickt, die Versandkosten für die Rücksendung wurden anstandslos schnell erstattet. Empfehlenswerter Shop. Gern wieder

Michael K.

Great sleeping bag

The Rab Neutrino served me well in temperatures down to -3 during my latest trip to Lappland.


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