Rab Ascent 900

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The Rab Ascent 900 is a mid-weight, down-filled sleeping bag, designed specifically for regular outdoor use, ideal for those requiring a general purpose bag or those buying their first down sleeping bag.

Using a highly durable Pertex® Microlight inner and outer fabric, the Ascent 900 is filled with 900g (standard) of 650FP European Duck Down, and is designed in a roomy rectangular shape.

The Ascent range of sleeping bags offers great value for the feature set, which is similar to that of the more technical Rab® bags, such as internal YKK stash pockets, anti-snag webbing tape and a trapezoidal baffle design to eliminate cold spots.

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® Microlight inner and outer fabric
650FP European Duck Down
Rab® fluorocarbon free Hydrophobic Down developed in conjunction with Nikwax®
Wide mummy shape / Proportionally assigned differential cut
Internal YKK 3 coil zipped stash pocket / Wide foot area for extended comfort
¾ length YKK 5 coil main zip
Left and right hand zips available - can be zipped to other Ascents
Anti-snag zipper webbing tape / Internal collar and hood drawcord
Close fitting neck baffle design
Trapezoidal baffle chamber design
Angled foot box
Compression stuff sack
Cotton storage sack

The Ascent 900 is hand-filled in Derbyshire, UK.

  • Length textfield: 225cm (Max user height 185cm)
  • Manufacturer: Rab
  • Sleepingbagdown fillpower: 650+US European Fluorocarbon Free Hydrophobic Duck Down
  • Weight: 1530g

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alistair n.

rab quality as always.great price

rab quality as always.great price and delivered promptly

Gavin R.

Perfect service.

Perfect service.

heidi w.

First class all the way

First class all the way

Matthew J.

Great sleeping bag. Packs down

Great sleeping bag. Packs down very small in the compression stuff sack, but also comes with a good large long term storage bag. Insulation is excellent, good value for money for a serious piece of kit.