

Rab Ascent 1100 Down Sleeping Bag (-25°C, 1.72 Kg)
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.
Features and Specs
- Rab Sleep Limit -25°C (-15°F)
- 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 cotton sack with water-resistant base for home storage
- Drawcord stuffsack included
- Wide mummy shape
Fabric | 30D Recycled Pertex® Quantum (50gsm) with fluorocarbon-free DWR, Lining: 20D Recycled Nylon (38gsm), Outer: 100% recycled polyamide. Lining: 100% recycled polyamide |
Rab Sleep Limit | -25°C |
Durable Water Repellent (DWR) | Yes |
Windproof | Yes |
Stuff Sack | Yes |
Storage Sack | Yes |
Shape | Mummy |
Zip Side | Left |
Sleeping Bag Length | 215cm / 84.6 in |
Max User Height | 185cm / 72.8 in |
Internal Shoulder Girth | 160cm / 63.0 in |
Internal Hip Girth | 134cm / 52.8 in |
Internal Foot Girth | 108cm / 42.5 in |
Pack Size | 45cm x 26cm |
Zipper | 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 |
Insulation | 650FP European Duck Down with Nikwax Fluorocarbon-Free Hydrophobic Finish |
Down Fill Weight | 1100 grams |
Water-Resistant Down | Yes |
Pockets | YKK® zipped internal stash pocket |
Fit | Regular |
Weight | 1725 grams |
Country of origin | UK |
Sustainability | Contains recycled materials |
Gender | Unisex |
Recommended use


