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Rab Ascent 500 Sleeping Bag: 24F Down


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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. It offers comfortable warmth down to near-freezing conditions, and it's light and compact enough for shorter, less gear-intensive backpacking trips.

The mummy shape and adjustable hood and collar lock in body heat for maximum warmth on cool, clear autumn nights and high-altitude summer evenings. 650-fill European duck down offers excellent warmth and compact carrying with its lofty down clusters, and it's RDS-certified to let you know the ducks were never live-plucked or force-fed. The down insulation features a Nikwax hydrophobic treatment that prevents outside moisture from seeping through and compromising its lofty warmth. Pertex Quantum fabric repels condensation and built-up perspiration from ruining the down's high-loft insulation.

  • Midweight bag for cool weather camping and light backpacking
  • Down insulation is lofty, light, warm, and compressible
  • Hydrophobic down treatment keeps moisture from compromising loft
  • Pertex Quantum fabric is extremely light, yet tough
  • DWR finish wards off moisture
  • Wide foot area offers room to wiggle your toes
  • Zippered stash pocket keeps phone or headlamp close
  • Left- and right-zip bags can zip together
  • Item #RAB00HJ

30D Pertex Quantum with DWR finish
650-fill RDS-certified European duck down with Nixwax Hydrophobic treatment
Max User Height
[regular] 72.8in, [long] 78.8in
Shoulder Circumference
[width] 29.5in
Hip Circumference
[width] 25.5in
Foot Circumference
[width] 19.5in
1 zippered stash
European Norm Comfort Rating
European Norm Lower Limit Rating
24F, [extreme] -8F
Storage Sack
Stuff Sack
Stuff Size
8.6 x 15.3in
Claimed Weight
3lb 0.7oz
Recommended Use
weekend camping
Manufacturer Warranty

Tech Specs

What do you think about this product?


>Rating: 5

Great bag!

The bag is great! i find that a lot of 30 degree bags can get a little chilly for me, but this bag was amazing! worked great out in the desert for those chilly nights! I highly recommend!