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  • Rab - Ascent 500 Sleeping Bag: 24 Degree Down -

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  • Rab - Ascent 500 Sleeping Bag: 24 Degree Down -

Rab Ascent 500 Sleeping Bag: 24 Degree Down

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1 Review


Unplug from civilization in cozy comfort.

Great for first-time buyers and seasoned backpackers alike, the Rab Ascent 500 Sleeping Bag provides high levels of warmth and compact carrying for evenings deep in the wilderness. Rated down to 24-degrees Fahrenheit (European Lower Limit), this down-filled bag is ideal for three-season camping and milder winter nights. Rab's own Sleep Limit of 21-degrees Fahrenheit (result of European Standard + user testing) means it'll suffice when the mercury plunges below the forecast's prediction.

650-fill European duck down offers excellent warmth and compact carrying with its lofty down clusters. The down insulation features a hydrophobic treatment that prevents outside moisture from seeping through and compromising its lofty warmth. Pertex Microlight fabric repels condensation and built-up perspiration from ruining the down's high-loft insulation. Plus, its wide mummy shape equates to roomy comfort for a better night's sleep. As a cool bonus, this bag zips to other Ascent bags when you're camping with your significant other, favorite pooch, or simply desire double the sleeping space.

  • Rated to 24-degrees Fahrenheit (European Norm Lower Limit)
  • 650-fill European duck down insulation
  • Pertex Microlight outer fabric & lining
  • Close-fitting neck baffle, trapezoidal baffle chamber
  • Hydrophobic down treatment (fluorocarbon-free)
  • 3/4-length YKK #5 coil zipper closure
  • YKK #3 coil zippered stash pocket (internal)
  • Zips to other Rab Ascent bags
  • Item #RAB00BP

Tech Specs

[outer fabric] Pertex Microlight, [lining] Pertex Microlight
650-fill European duck down
hydrophobic down finish (fluorocarbon-free, developed with Nikwax), Pertex Microlight water-resistant shell
wide mummy
3/4-length YKK #5 coil zipper
Max User Height
6 ft 1 in
Shoulder Circumference
[shoulder width] 29.5 in
Hip Circumference
[hip width] 25.5 in
Foot Circumference
[foot width] 19.5 in
[internal] YKK #3 coil zipper stash pocket
Fill Weight
17.6 oz
24 F
European Norm Comfort Rating
34 F
European Norm Lower Limit Rating
24 F
Storage Sack
yes, included cotton storage sack
Stuff Sack
yes, compression stuff sack
Claimed Weight
2 lb 5.4 oz
Recommended Use
backpacking, camping
Manufacturer Warranty

Tech Specs

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Durable Warm and Comfortable

  • Familiarity: I've put it through the wringer

The trim, semi-rectangular shape leaves plenty of room in the footbox or extra space to store gear. Could add more volume in the shoulders and hip area. The bag has great durability - credit the Nikwax hydrophotic down treatment. It keeps the feathers fluffy through some challenging conditions. Great sleeping bag!

Hand Filled in Derbyshire

Sleeping bags are firmly where we started and they remain a core part of our range to this day. Back in the 1970's when Rab Carrington was making sleeping bags in Patagonia, he probably didn't imagine that 40 years later sleeping bags with his name on them would be used all over the world in some of the most beautiful yet hostile environments.

To this day, we hand-fill our down insulated sleeping bags at our factory in Derbyshire, UK. This allows us to know for definite that, by the time our bags reach our customers, they have never been compressed or stored in a way which could be harmful for the down inside. By filling the bags in house, we can be completely sure that every down sleeping bag that leaves our factory will arrive to our customers in the best possible condition.