Rab Ascent 1100 Down Sleeping Bag

-25°C Rab Sleeping Limit, 1100g of 650 Fill Power Hydrophobic Down (US Method)
Weighs 1750g (Regular bag)
Code: SS19640V
  • Now £279.99
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The warmest in the Ascent range, the Ascent 1100 is a down-filled sleeping bag that provides reliable protection in cold winter conditions. Designed specifically for regular outdoor use, this is ideal for those buying their first down sleeping bag for serious winter use.

Rab says:

The Ascent 1100 is a hard-wearing high performing sleeping bag you can depend on for comfort and protection in cold winter conditions. Ideal for general purpose outdoor use, from bothy to bivvy, the Ascent range equips you for regular mountain adventures. Durable, tough, and reliably warm, the Ascent is especially suitable for those wanting to invest in their first down sleeping bag. Offering excellent value for the feature set, which is similar to that of the more technical Rab bags, this is a durable piece providing protection and comfort on the mountain.

Using a highly durable Pertex® Quantum outer fabric, the Ascent 1100 is filled with 1100g of 650FP ethically sourced European Duck Down. The generous wide mummy fit and wide foot box provide extended comfort and a spacious feel that is still secure and warm. The close fitting neck baffle design, internal collar and hood drawcord provide additional protection to keep you cosy when temperatures drop. Featuring a three-quarter length YKK main zip with glow in the dark puller, a plush bonded zip guard also excludes draughts.

Practicalities are taken care of with an internal zipped stash pocket that easily fits phone and other essentials. The Ascent 1100 comes with cotton storage sack and compression stuff sack to ensure a manageable packsize and protection on the road. As with all Rab down insulated bags, it is filled in Derbyshire, using Hydrophobic Down developed in conjunction with Nikwax®. Also available in Women’s size, and Extra Long.

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Rab's Ascent 1100 Down Sleeping Bag is a durable yet light weight sleeping bag packed with 1100 grams of 650FP European Duck down to keep you comfortable and warm in your tent. It has been designed specifically for regular use outdoors and is ideal for both new and experienced campers heading out in winter conditions.

It utilises durable and lightweight Pertex Quantum fabrics and Hydrophobic Down to offer fantastic value for money, quality build and construction, durability and low weight for the warmth of the bag. It also features internal YKK stash pockets, anti-snag webbing tape and a trapezoidal baffle design to help eliminate cold spots. It is less tapered, and wider at the hip area and the angled foot box is slightly broader than average to accommodate larger feet. A top quality high performance bag for trekking, mountaineering or camping.

This sleeping bag is perfect for regular outdoor use in cold conditions where comfort and warmth are more important than high end performance and minimal weight.

- Reviewed by Ultralight Outdoor Gear

|RAB Premier Sleeping Bag Stockist - Ultralight Outdoor Gear is a RAB Premier Sleeping Bag stockist. RAB recognises our knowledge and experience when it comes to advising customers about the sleeping bag that would best meet their needs. It also recognises the comprehensive range of RAB sleeping bags that we stock.
Help and advice:Choosing a sleeping bag advice
 EN 13537 rating for sleeping bags explained
 Sleeping bag shape and sizes advice
 Sleeping Bag features Page 1
 Sleepin bag features page 2
 All about down filling in sleeping bags
  • Pertex® Quantum outer fabric
  • 650FP R.D.S. Certified 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 with noctilucent puller
  • Anti-snag bonded zip guard
  • Left and right hand zips available
  • Internal collar and hood drawcord
  • Close fitting neck baffle design
  • Trapezoidal baffle chamber design
  • Angled foot box
  • Compression stuff sack
  • Cotton storage sack
  • Filled in Derbyshire UK

Temperature Rating

  • Rab Sleep Limit: -25°C/-13°F

Regular Specs

  • Weight: 1750g (excludes stuff sack & storage bag)
  • Packed size: 28 x 48cm
  • Fill weight: 1100g
  • Max User Height: 185cm
  • O/A Length: 215cm
  • Shoulder Width: 75cm
  • Hip Width: 65cm
  • Foot Width: 50cm

Extra Long Specs

  • Weight: 1856g (excludes stuff sack & storage bag)
  • Packed size: 28 x 48cm
  • Fill weight: 1153g
  • Max User Height: 200cm
  • O/A Length: 230cm
  • Shoulder Width: 75cm
  • Hip Width: 65cm
  • Foot Width: 50cm

Materials

  • Fabric Outer: Pertex® Quantum DWR 80/20, 49g/m², 30d/30d, 100% nylon
  • Insulation: 650FP R.D.S. Certified European Duck Down

What is the 'RAB Sleep Limit'? - The recognised method of testing sleeping bags is by using the standard EN13537 temperature ratings, which are carried out by independent testing houses. The test is performed with the sleeping bag resting on an insulating mat to simulate the bag in use. The same sleeping mat is used for all testing of all sleeping bags.

RAB's view is that the sleeping mat used is inappropriate for bags designed for very low temperatures because a user would be sleeping on a highly insulative winter orientated sleeping mat, not the standard one used in the test. The test results would therefore indicate a lower performance for the sleeping bag than a user would experience in a typical situation.

RAB have therefore defined their own 'RAB Sleep Limit' as the equivalent 'Comfort limit' but based on their athletes experience and extrapolating results from other bags.

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