Therm-a-Rest Questar 20 Sleeping Bag

About This Item

Design and Details

  • 650 Fill nikwax hydrophobic down: Absorbs 90% less water and dries 3 times faster without using dangerous pfcs
  • W.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 mattress for optimal efficiency and comfort; removable for versatility
  • Zoned insulation: Maximizes warmth and saves weight by intentionally placing fill where you need it most
  • Box baffled construction: Uses mesh walls to maximize loft and minimize cold spots
  • Toe-asis foot warmer pocket: Ergonomic toe box that rapidly warms cold feet in a pocket of warm down
  • Quilt and blanket loops: Customize your sleep system by layering our 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 included
  • Shell: 20D Polyester with DWR
  • Lining: 20D polyester taffeta
  • Brand : Therm-a-Rest
  • Web ID: 23TARAQSTR20SLPNGCSL
  • SKU: 25503206
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ShapeMummy
Temp Rating20° F / -6° C
Comfort Temp*32° F / 0° C
Limit Temp*20° F / -6° C
WeightSmall: 1 lb 14 oz; Regular: 2 lbs 3 oz; Long: 2 lbs 7 oz
Insulation TypeDown
Fill Power650 Fill nikwax hydrophobic down
Fill WeightSmall: 1 lb 1 oz; Regular: 1 lb 3 oz; Long: 1 lb 6 oz
Shoulder GirthSmall: 58"; Regular: 63"; Long: 66"
Hip GirthSmall: 58"; Regular: 61"; Long: 64"
Shell Fabric20D Polyester w/ DWR
Zipper LocationRight
Stuff Sack IncludedYes

REVIEWS

4.4

83%

Recommended

34 Reviews

James W.

Most Comfortable Sleeping Bag I’ve Owned!

Very comfortable sleeping bag. Great sleeping bag for side sleepers. Roomy and don’t feel restricted. This sleeping bag will keep you warm at 0 c, but you may want to consider a synthetic quilt or wear a down puffer jacket for cooler temperatures to keep warm.

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Perfect Companion For Chilly Nights!

I’ve been using the Questar™ 20F/-6C Sleeping Bag on several camping trips now, and it has exceeded my expectations every time. The warmth and comfort it provides, even in colder conditions, are impressive. The fit is cozy without feeling restrictive, and the materials feel high-quality and durable. One feature that stood out to me is the SynergyLink™ connectors, which kept the bag securely in place on my sleeping pad throughout the night, preventing any cold spots. I also appreciate the ThermoCapture™ lining that effectively reflects body heat, making this bag a true lifesaver on colder nights. Setting it up and packing it away is a breeze, and it compresses well for easy storage in my backpack. Whether I’m car camping or backpacking, this bag has become my go-to for any adventure where I need reliable warmth and comfort.

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Rick

Read The Temperature Rating Before Leaving A Review

The COMFORT range on this sleeping bag is 32°F/0°C. So, that means that your average person will be comfortable at those temps. Simply put, this is a 3-season bag. If you're looking for a 4-season bag, then do your research and buy a bag that is a rated comfort level for subzero temps (Polar Ranger). This is an awesome bag for what it is designed to do. Don't buy a bag with clearly defined ratings, expecting it to perform differently... And then give it a poor review. I own 6 Therm-A-Rest sleeping bags and 2 quilts, and they all perform as rated. I do 95% of my camping in very cold temps and these bags have performed to standard.

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Benedikt

Pretty Good With Room For Improvement

I like this bag very much, I used it for almost a year non-stop on a long-distance bike tour and was super comfortable in 99 % of the nights. I do have to say that it is losing a few feathers that are poking through the fabric and the downs are not perfectly distributed/ some light shining through in some places. In the colder nights (the coldest being around -4 °C) I did have to wear socks, thermo underpants and a fleece in order not to freeze. But since the comfort temp is stated at 0 °C and -6 °C is the limit, I think that's pretty fair. The fabric feels super soft and comfortable and I'm a huge fan of the Synergy Link Connectors. I used the bag with a Trail Pro mattress in regular size, but recently upgraded to a NeoAir XLite - unfortunately I didn't check the width of the Trail Pro (53 cm) and ordered a large XLite with 64 cm. The connectors are way too tight with this one and I'd be afraid to tear the bag if I slept in it with the wide mattress attached. I don't know why Thermarest doesn't offer longer straps as an aftermarket option, since it's a bit pointless to offer this kind of feature (which again, I'm a huge fan of in principle), but then make it incompatible with wider mattresses of their own product line.

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Vincent T.

Update To My Initial Review On 07/02/23

After waiting 3 months (the entire summer) for a repair to my brand-new sleeping bag, Therm-A-Rest finally sent back the bag, saying it had been fixed. However, the tear in the sewing was still there, untouched. They basically kept my bag for 3 months and re-stashed it in a box (not even in the storing bag) without looking at it. What I was considering to be a bad luck when I bought this bag turned out to be a real lack of professionalism from a company that "has a very robust warranty and stands behind [their] product". If you are searching for a high-quality product, I can only recommend going somewhere else.

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