Durable and dependable—even in the cold and damp—the Rab Solar Ultra 1 sleeping bag combines advanced insulation with Thermo Ionic Lining Technology (TILT) for dramatic heat retention.
Features
- Shell fabric is 38 g, 20-denier Atmos™ recycled ripstop nylon with a fluorocarbon-free durable water repellent (DWR) finish
- Lining is 41 g, 20-denier Atmos recycled ripstop nylon with a fluorocarbon-free DWR finish
- Upper is insulated with recycled Stratus synthetic sheet insulation in a triple-layer construction: 100 g/100 g/40 g polyester (100% recycled)
- Base is insulated with recycled Stratus synthetic sheet insulation in a dual-layer blanket construction: 40 g/40 g polyester (100% recycled)
- Internal upper scrim is 100% polyester and features TILT, an aluminum coating that reflects body warmth to reduce radiant heat loss
- Triple-layer concertina blanket construction on upper for improved loft and warmth
- Elasticized internal quilting helps to draw insulation toward your body and eliminate cold spots
- Reduced-volume hood offers better heat retention
Imported.
Technical Specs
| Best Use | Backpacking |
|---|---|
| Tested Lower Limit | 35 degrees (F) – ISO |
| Tested Comfort | 45 degrees (F) – ISO |
| Temperature Rating (F) | 35 degrees (F) |
| Temperature Rating (C) | 1.7 degrees (C) |
| Weight | 1 lb. 15 oz. |
| Shell | Nylon |
| Zipper Location | Left |
| Insulation Type | Synthetic |
| Fill | Stratus synthetic sheet recycled polyester |
| Lining | Nylon |
| Sleeping Bag Shape | Mummy |
| Fits Up To (in.) | Regular – Left Zip: 74.8 inches Long – Left Zip: 78.8 inches |
| Shoulder Girth (in.) | Regular – Left Zip: 55.9 inches Long – Left Zip: 56.7 inches |
| Hip Girth (in.) | Regular – Left Zip: 47.2 inches Long – Left Zip: 48 inches |
| Stuff Sack Size | 7.9 x 13.8 inches |
| Gender | Unisex |
| Sustainability | Contains recycled materials |

















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