The three season Therm-a-Rest Questar 0°c bag is the lightest in its range. For the comfort-conscious backpacker, this bag blends comfort features with a friendly pack size.Materials & Insulation20D Polyester650 Fill Nikwax Hydrophobic Down™: Absorbs 90% less water and dries 3 times faster without using dangerous PFCs.FeaturesW.A.R.M. Fit: With 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: Integrate the bag with a pad for optimal comfort and thermal efficiency; removable for versatility.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 quilts or tech blankets for increased warmth.Responsible Down Standard Certified: Certification that ensures that 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.Compression sack and storage sack includedRegular LengthEN Temperature RatingsComfort: 5°CComfort Limit: 0°CExtreme: -15°CA closer lookThe W.A.R.M. Fit provides additional room for Multiple positions, allowing for various natural sleep positions while maintaining thermal efficiency. Zoned insulation maximizes warmth and saves weight by intentionally placing down where you need it most, and the Box Baffle Construction utilises mesh walls to maximise loft and minimize cold spots. Packed inside these baffles is 650 Fill RDS Nikwax Hydrophobic Down designed to absorb 90% less water, and dry 3 times faster without using dangerous PFCs.A Toe-asis Foot Warmer Baffled Pocket of insulation rapidly warms cold feet, while heat-trapping draft collar, full-length zipper draft tube, snag-free zipper, cinch-able hood and external zip pocket seal in heat and provide a comfortable night's sleep.A SynergyLink Connectors enables you to integrate the bag with a pad for optimal comfort and thermal efficiency. These removable straps integrate your mattress and sleeping bag to minimise heat loss and keep you secure through the night. Additional Quilt and Blanket Loops allow you to layer quilts or tech blankets for increased warmth.Comes with a compression sack and a storage sack. Therm-a-Rest Questar 0C Sleeping Bag - Regular