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  • Ascent 1100 Down Sleeping Bag (-25C)

 
£360.00
 

Ascent 1100 Down Sleeping Bag (-25C)

Only %1 left
£360.00

The warmest in the Ascent range, the Ascent 1100 is a 650FP duck down-filled, adventure-ready sleeping bag with a recycled Pertex® Quantum outer. Designed with a comfortable wide shape, it's ideal for those buying their first down sleeping bag for extremely cold conditions.

Shipping

Rab ships throughout the UK, EU and the United States. All UK orders are shipped free of charge by DPD. Orders placed during the week and before midday will typically be delivered within 48 hours, orders placed on weekends will ship on the following Monday.

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

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 centre.

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 26cm 45cm x 26cm
£360.00
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Ascent 1100 Down Sleeping Bag (-25C) £360 Sizing
£360

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.

Activities

We recommend using this for:

  • Camping
  • Mountaineering

The Ascent 1100 is an extremely warm bag with a comfortable, wide mummy fit. Filled with 1100g of 650FP duck down and with space for wearing additional layers if needed, this bag can be used in seriously cold temperatures. Ideal for winter use or even as high altitude, base camp refuge.

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) 1725g/60.8oz, (Long) 1820g/64.2oz
  • Insulation:650FP European Duck Down with Nikwax Fluorocarbon-Free Hydrophobic Finish (1100g / 38.8oz)
  • Rab sleep limit:-25°C / -13°F
  • Packed size:45cm x 26cm (17.7in x 10.2in)
  • Product Code:QSD-41
  • 30D Recycled Pertex® Quantum (50gsm) with fluorocarbon-free DWR
  • Lining: 20D Recycled Nylon (38gsm)
  • 650FP European Duck Down with Nikwax Fluorocarbon-Free Hydrophobic Finish (1100g / 38.8oz)
  • Trapezoidal boxwall construction with differential cut, 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 zipped internal stash pocket
  • YKK Anti-snag zip insert and anti snag internal zip guard
  • Angled foot box for relaxed sleeping posture
  • Left and right hand bags can zip together
  • Zipped storage sack with water-resistant base for home storage
  • Drawcord stuffsack included
  • Outer: 100% recycled polyamide. Lining: 100% recycled polyamide.
  • Wide mummy shape

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 26cm 45cm x 26cm

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 1100 Down Sleeping Bag (-25C)

Recycled PFAS
i
Total recycled content*
i
34% No
Fabric
i
100% No
Outer 100% No
Liner 100% No
Hydrophobic Down 0% No
Zips
i
38% No
Trims
i
8% No
Renewable Energy
Product Manufacturing 64%
Manufactured in United Kingdom
*Calculations based upon the weight of a regular length sleeping bag.
QSD-41 Version 03/2024

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.

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