When you need greater thermal comfort for freezing backcountry conditions, it's time to pack the Questar -18C. All the comfort features that Therm-a-Rest products are famous for have been added to the Questar sleeping bag.

SynergyLink Connectors allow the bag to integrate with your sleeping pad allowing our zoned insulation to keep the fill where you need it most.
Filled with water resistant 650 fill down (Nikwax hydrophobic down (Responsible Down Standard certified).

- Compression sack and storage sack included.

- 650 Fill Nikwax Hydrophobic Down: Absorbs 90% less water and dries 3 times faster without using dangerous PFCs.

- Fit: with additional space for multiple positions (W.A.R.M.) means this bag allows for various natural sleeping positions while maintaining thermal efficiency.

- SynergyLink Connectors: Removable ultralight straps create a secure connection between bag and mattress that optimizes comfort and thermal efficiency of the entire sleep system. SynergyLink connectors work best with regular sized airbeds that are 3 inches thick or less when inflated.

Zoned Insulation: Maximize warmth and save weight by intentionally placing where you need it most. Baffled Box Construction - Uses mesh walls to maximize loft and minimize cold spots.

- Toe-asis Foot Warmer Pocket: Insulated baffled pocket warms cold feet quickly.

- Quilt and blanket loops: Customize your sleep system by layering technical quilts or blankets for extra warmth.

- Responsible Down Standard Certified: Certification that guarantees that waterfowl in the down supply chain are treated humanely.

- Additional features: heat-trapping storm collar, full-length zippered storm tube, snag-free zipper, adjustable hood, and zippered exterior pocket.

Comfort temperature: -10 C
Temperature Limit: -18 C
Height: 168cm
Dimensions Closed: 20x25 cm
Weight: 1117 g