Questar 20F/-6C Regular Down Sleeping Bag

About the ThermaRest Questar 20 Regular

What is the ThermaRest Questar 20 Regular good for?

Engineered to dominate spring, summer and shoulder season expeditions where temperatures drop to 20F/-6C, this sleeping bag conquers variable weather conditions and challenging alpine environments whilst unleashing reliable thermal performance for extended backcountry missions. Powering outdoor enthusiasts who demand lightweight performance without sacrificing comfort, the Questar also fuels fast-moving backpackers and colder sleepers who crave anatomically optimised rest across skill levels from weekend warriors to seasoned wilderness explorers. Furthermore, this sleeping bag dominates multi-day treks, alpine camping adventures, and backcountry wilderness expeditions, thriving during transitional seasons with fluctuating temperatures and unpredictable precipitation whilst charging through three-season use from early spring missions to autumn mountain adventures.

How will some of the key features of the ThermaRest Questar 20 Regular enhance my experience?

The explosive W.A.R.M. fit technology delivers Additional Room for Multiple positions, allowing natural sleep positions whilst maintaining thermal efficiency without adding bulk that slows you down. In addition, 650-fill Nikwax Hydrophobic Down absorbs 90% less water and dries 3 times faster than untreated down, firing consistent insulation performance in damp conditions without using PFCs. Furthermore, zoned insulation powers strategic down placement in key areas for optimised warmth-to-weight ratio whilst eliminating unnecessary weight. The sleeping bag also features SynergyLink Connectors that create secure bag-to-sleeping pad connection, optimising comfort and thermal efficiency of your entire sleep system whilst preventing pad migration during the night. Additionally, the Toe-asis Foot Warmer Pocket delivers rapid foot warming with a baffled pocket of insulation for comfort after demanding trail days.

Why choose the ThermaRest Questar 20 Regular?

ThermaRest unleashes decades of sleep system innovation, ensuring this sleeping bag tackles real-world backcountry conditions with proven results. Additionally, RDS certification delivers ethical sourcing standards, confirming waterfowl in the down supply chain are treated humanely without compromising performance. Furthermore, box baffled construction uses mesh walls to maximise loft and minimise cold spots for consistent thermal performance throughout mountain adventures.

• 650 Fill Nikwax Hydrophobic Down – Absorbs 90% less water and dries 3 times faster without using PFCs
• W.A.R.M. Fit – Additional Room for Multiple positions (W.A.R.M.) fit means this bag allows for various natural sleep positions while maintaining thermal efficiency
• SynergyLink Connectors – Removable ultralight straps create a secure bag-to-sleeping pad connection that optimizes the comfort and thermal efficiency of your entire sleep system. SynergyLink Connectors function best with regular sized sleeping pads 3″ thick or less when inflated
• Zoned Insulation – Maximizes warmth and saves weight by intentionally placing down where you need it most
• Box Baffled Construction – Uses mesh walls to maximize loft and minimize cold spots
• Toe-asis Foot Warmer Pocket – Baffled pocket of insulation rapidly warms cold feet
• Quilt and Blanket Loops – Customize your sleep system by layering our quilts or tech blankets for increased warmth
• RDS Certified – Certification that ensures the waterfowl in the down supply chain are treated humanely
• Additional features – Heat-trapping draft collar, full-length zipper draft tube, snag-free zipper, cinchable hood and external zip pocket
• Included – Compression sack and storage sack

The Lowdown

• Style: Tapered Shape
• Insulation: 650 Fill Duck Nikwax Hydrophobic Down RDS
• Materials: 20D polyester shell / 20D polyester taffeta liner
• Capacity: Single
• Suitable For: 3 seasons – spring, summer, autumn
• Temperature Comfort Range: 32°F | 0°C
• Temperature Lower Limit: 20°F | -6°C
• Temperature Extreme (Risk Range): -9°F | -23°C
• Special Features: Mattress Connectors, Footbox

Questar 20 Regular Size Chart