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  • Ascent 900 Down Sleeping Bag (-18C)

 
CA$500.00
 

Ascent 900 Down Sleeping Bag (-18C)

Only %1 left
CA$500.00

A very warm, 650FP duck down sleeping bag with a recycled, wind-resistant Pertex® Quantum outer. Designed with a comfortable wide shape, it's ideal for those buying their first down sleeping bag for use in cold, winter conditions.

Weight : 1530g / 54oz
Rab Sleep Limit : -18°C / 0°F
Packed Size : 45 x 24cm / 17.7 x 9.4in
General Use
Comfortable

Shipping

Rab ships throughout Canada via FedEx or Canada Post dependent on location. Orders over $50 qualify for Free Shipping, otherwise, a flat rate of $10.00 will be charged per order under $50. We aim to have your order delivered within 5 - 12 working days dependent on location.

For more information regarding shipping, including shipping charges and estimated delivery times, please visit our help center.

Returns

If you are unhappy with your purchase, please return it to us within 45 days of receipt.  The item(s) must be in resalable condition with tags attached. We are currently unable to exchange items and will refund products returned to us under the policy above.

Please note, we are not able to accept returns for underwear unless the product is faulty or damaged. We advise that you use a recorded courier service to return your item(s) as we cannot be responsible for items lost in the post.

For more information regarding returns and warranty, please see our help center.

Rab Promise

If any of our clothing or equipment fails we promise to help make it right with a repair or replacement, find out more here. Damage due to wear and tear or improper care can also be repaired for a reasonable fee.

Sleeping Bag Size Guide

Wide 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 108cm / 42.5 in 110cm / 43.3 in
Pack Size 45cm x 24cm 45cm x 24cm
CA$500.00
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Ascent 900 Down Sleeping Bag (-18C) CA$500 Sizing
CA$500

Performance

Lightness

Light Ultralight

Pack Size

Moderate Pack Size Ultra Low Pack Size

Environment Use

Cold Extreme Cold

These ratings compare our sleeping bags against each other. All our bags, at any rating, are of the highest quality.

Activities

We recommend using this for:

  • Camping
  • Mountaineering

The Ascent 900 is a very warm bag with a comfortable, wide mummy fit. Filled with 900g of 650FP duck down and with space for wearing additional layers if needed, this bag can be used in cold temperatures. Ideal for four season use, in winter conditions similar to those in the UK, New Zealand or Scandinavia.

The Ascent is built with a lightweight and durable, recycled Pertex® Quantum outer fabric and recycled nylon lining. It has trapezoid shaped, boxwall baffles that stack neatly together, encouraging the hydrophobic duck down inside to loft fully and reducing the appearance of cold spots. Hand-filled in the UK, all our down bags benefit from never having had their down compressed before use, maintaining the down’s loft and warmth.

The generous mummy fit with wide foot box provide a spacious feel for an easy night’s sleep, and the close-fitting neck baffle keeps the heat in when the temperature drops. It has a ¾ length main zip with a down filled baffle to keep out the draught.

Practicalities are taken care of with an internal zipped stash pocket that easily fits a phone or headlamp, a cotton storage sack and a compression stuff sack to ensure a manageable pack size and protection on the road. Exploring with a partner or want extra space? Pick up a left and a right zipped bag and you can zip them together.

Get stuck into the detail

Want to learn more about the details that set this gear apart? Hear about the tech, fabrics, and features from the team behind the design.

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  • Weight:(Regular) 1530g/54.0oz, (Long) 1610g/56.8oz
  • Insulation:650FP European Duck Down with Nikwax Fluorocarbon-Free Hydrophobic Finish (900g / 31.7oz)
  • Rab Sleep Limit:-18°C / 0°F
  • Packed Size:45cm x 24cm (17.7in x 9.4in)
  • Product Code:QSD-39
  • 30D Recycled Pertex® Quantum (50gsm) with fluorocarbon-free DWR
  • Lining: 20D Recycled Nylon (38gsm)
  • 650FP European Duck Down with Nikwax Fluorocarbon-Free Hydrophobic Finish (900g / 31.7oz)
  • Trapezoidal boxwall construction, to maximise loft and warmth
  • 3-dimensional shaped neck collar to seal in warmth
  • YKK 3/4 length main zip with down filled baffle to trap warmth
  • YKK Anti-snag zip insert and anti snag internal zip guard
  • YKK zipped internal stash pocket
  • Angled foot box for relaxed sleeping posture
  • Left and right hand bags can zip together
  • Drawcord stuffsack included
  • Zipped storage sack with water-resistant base for home storage
  • Outer: 100% recycled polyamide. Lining: 100% recycled polyamide.
  • Wide Mummy Shape - with proportionally designed differential cut

Sleeping Bag Size Guide

Wide 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 108cm / 42.5 in 110cm / 43.3 in
Pack Size 45cm x 24cm 45cm x 24cm

Material facts

Sustainability. It’s complicated. We’re helping you to make informed choices by giving you the raw data. Clear. Concise. Honest. We pledge to be transparent, showing you how our products are made, from which materials and where. Learn More

Material Facts

Ascent 900 Down Sleeping Bag (-18C)

Total Recycled Content*
i
38%
Fabric
i
100%
Outer 100%
Liner 100%
Hydrophobic Down 0%
Zips
i
38%
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.
QSD-39 Version 03/2023 Update

Sleeping Mats

Pertex® Quantum

A soft, lightweight, windproof fabric that encourages insulation to fully loft. Highly packable and protective, it's ideal for mountain activities.

Pertex® Quantum

A soft, lightweight, windproof fabric that encourages insulation to fully loft. Highly packable and protective, it's ideal for mountain activities.

Fill Power - 650

Fill power is all about down quality, not quantity. Find out more about what fill power means for you when you're out in the mountains in cold conditions.

Fill Power - 650

Fill power is all about down quality, not quantity. Find out more about what fill power means for you when you're out in the mountains in cold 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.

Responsible Down Standard

The Responsible Down Standard (RDS) independently certifies down and feathers against animal welfare requirements and tracks it from farm to final product.

Responsible Down Standard

The Responsible Down Standard (RDS) independently certifies down and feathers against animal welfare requirements and tracks it from farm to final product.

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