







Extreme cold sleeping bag -
The Ascent -24C / -11F Tempest Blue/Maya Blue from the brand Rab is a 4-season mummy sleeping bag ideal for extreme conditions.
Designed to withstand severe cold, this bag offers a comfort temperature of -24°C thanks to its natural down filling which provides excellent insulation. Its mummy shape optimises heat retention while its compressed volume of 23 litres makes it easy to carry in a backpack. The bag is equipped with zips on both the right and left sides for better ergonomic use.
Made with high-quality technical materials, this sleeping bag ensures robustness and durability for your outdoor adventures. Its water-repellent fabric protects you from moisture, making it a reliable piece of equipment for expeditions in all seasons, offering an excellent balance between weight, warmth, and compactness.




- Adjustable hood
- 3/4 length two-way YKK® zip
- Internal zipped pocket
- Optimised filling construction to reduce heat loss
- 3D filled collar to retain heat
- Filled flap along the zip
- Ergonomic footbox
- Storage bag included
- Compression sack included
- PFC-free DWR water-repellent treatment
Packed dimensions: Ø 26 x 45 cm
Composition:
- Outer material: Pertex® Quantum 30D - 50 g/m²
- Lining: Recycled nylon 20D - 38 g/m²
- Filling: European duck down 650 CUIN with Nikwax finish
Sizes:
| Regular | Long | Wide | |
| Length | 215 cm | 230 cm | 215 cm |
| Max user height | 1.85 m | 2 m | 1.85 m |
| Shoulder girth | 170 cm | 172 cm | 190 cm |
| Hip girth | 140 cm | 142 cm | 150 cm |
| Foot girth | 108 cm | 110 cm | 116 cm |
| PERTEX® QUANTUM | Precisely woven from incredibly fine yarns, Pertex® Quantum fabrics are designed to trap still air and enhance insulation efficiency. This fabric is lightweight, soft, and extremely compressible. A durable water-repellent (DWR) finish sheds light rain and snow, providing extra weather protection. |