Questar 20F/-6C Long Down Sleeping Bag

About the ThermaRest Questar 20 Long

What is the ThermaRest Questar 20 Long good for?

Engineered to dominate spring, summer and shoulder season adventures where reliable thermal performance becomes essential, this construction conquers 20F/-6C temperature ratings whilst unleashing explosive warmth retention through variable conditions. Powering outdoor enthusiasts who demand dependable insulation for backcountry excursions, the ThermaRest Questar also fuels backpackers and colder sleepers who crave technical functionality without excess weight slowing them down whilst energising multi-day wilderness trips where pack weight optimisation proves critical. Furthermore, this sleeping bag thrives in three-season environments from alpine meadows to forest campsites, dominating cool spring nights, variable summer temperatures, and challenging autumn conditions whilst charging through backcountry terrain and established campgrounds with proven performance.

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

The explosive 650-fill Nikwax Hydrophobic Down absorbs 90% less water whilst drying three times faster than untreated down without using PFCs, ensuring reliable insulation during damp conditions. In addition, W.A.R.M. fit technology fires anatomically considered construction that allows various natural sleep positions whilst maintaining thermal efficiency without adding bulk. Furthermore, the dynamic SynergyLink Connectors power secure bag-to-pad integration for optimised comfort and thermal performance of your complete sleep system. The ThermaRest Questar also features zoned insulation that strategically places down where you need it most, maximising warmth whilst saving critical pack weight. Additionally, box baffled construction uses mesh walls to unleash maximum loft and minimise cold spots during intense cold snaps. This sleeping bag also delivers a Toe-asis Foot Warmer Pocket with baffled insulation that rapidly warms cold feet after demanding trail sessions.

Why choose the ThermaRest Questar 20 Long?

ThermaRest unleashes decades of sleep system mastery, ensuring design elements tackle real-world backcountry requirements with proven results. Additionally, RDS certification delivers ethical sourcing standards that ensure waterfowl in the down supply chain receive humane treatment. Furthermore, the integration of PFC-free hydrophobic treatment provides environmental responsibility without sacrificing raw performance whilst firing dependable protection against moisture challenges.

• 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 Long Size Chart