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Rab's Ascent range uses 650 Fill Power down contained in technical baffles to create sleeping bags with very respectable warmth to weight ratios despite them being a more comfortable shape than the more performance orientated bags.
Rab says:
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 and women’s specific fit, it's ideal for those buying their first down sleeping bag for extremely cold conditions.
The Ascent 1100 is an extremely warm bag with a comfortable, wide mummy fit. Filled with 1100g of 650FP goose 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 women’s specific shape is slightly shorter in length, narrower at the shoulders, and wider at the hips than the regular fit bag for improved efficiency. 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 a 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.
Our Verdict
Rab's Womens Ascent 1100 Down Sleeping Bag fits in the Ascent series which are filled with 650 Fill Power down contained in a trapezoidal boxwall baffle construction with a differential cut to eliminate cold spots. The slightly lower down quality compared to their premium bags makes these bags more affordable but they are still a technical bag.
Built with a more comfortable and spacious shape these are ideal for those people who like a bit more room in their bags. The weights are still suitable for backpacking and trekking and many will be happy to carry the extra weight for a slightly bigger bag.
The shell fabric is wind resistant Pertex Quantum, this equips the sleeping bag for general use. The rest of the bag is up to Rab's high standard with features and construction to a very high standard.
- Reviewed by Ultralight Outdoor Gear
Features
- 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 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 cotton sack with water-resistant base for home storage
- Outer: 100% recycled polyamide. Lining: 100% recycled polyamide.
- Wide mummy shape
Specifications
Temperature Rating (EN(13537:2012)
- Comfort: NA
- Comfort Limit: NA
- Extreme: NA
- Rab Sleep Limit: -25°C / -15°F
Regular Specs
- Weight: 1666g (excludes storage bags)
- Fill weight: 1100g
- Packed size: 45 x 26cm
- Overall length: 200cm
- Height of user: 170cm
- Internal shoulder girth: 156cm
- Internal hip girth: 134cm
- Internal foot girth: 108cm
Material & Construction
- Shell: 30D Recycled Pertex® Quantum (50gsm) with fluorocarbon-free DWR
- Lining: 20D Recycled Nylon (38gsm)
- Fill: 650FP RDS Certified European Duck Down with Nikwax fluorocarbon-free Hydrophobic Finish
