The synthetic sleeping bag that still keeps you warm when it gets damp
Is this the right fit?
- Best for
- car campers and weekend backpackers who want reliability over the lowest packed weight
- Skip if
- Synthetic fill packs bulkier and heavier than down, so this is better for car camping than ultralight backpacking
- Check before ordering
- Confirm the dimensions, exact model, included parts and return terms on the Amazon listing before ordering.
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The Kelty Mistral is a synthetic camping bag built around Kelty's Cloudloft insulation, the same fill the company uses in its camp pillows and doublewide bags. Shell and liner are both 68D recycled taffeta polyester, durable enough for seasons of car camping rather than the thin fabric budget bags use. The construction detail worth knowing is the offset quilt stitch pattern: it distributes insulation evenly rather than leaving the cold seams that show up in cheaper straight-stitched bags. The larger argument for synthetic over down is moisture. Down collapses and stops insulating when damp, while synthetic fill keeps most of its warmth, which is what you want in a tent on a humid night. Best fit: car campers and weekend backpackers who want reliability over the lowest packed weight.
Pros
- Synthetic Cloudloft fill keeps insulating when damp, unlike down
- Offset quilt stitching spreads insulation evenly and eliminates cold seams
- 68D recycled taffeta shell and liner hold up over multiple seasons
- Built to a budget without cutting the parts that affect warmth
Cons
- Synthetic fill packs bulkier and heavier than down, so this is better for car camping than ultralight backpacking
Frequently asked questions
What temperature is this bag rated for?
Ratings vary by the specific Mistral model, so check the listing. Treat any rating as a survival number rather than a comfort number and add a liner if you sleep cold.
Can it go in a washing machine?
Synthetic bags generally can, on a gentle cycle in a front-loading machine with no agitator, then tumble dried low. Follow the sewn-in care tag.
How small does it pack?
Synthetic fill is bulkier than down, so it compresses less. It fits a car camping load easily but takes real pack volume on a backpacking trip.
Does it zip to another bag?
Zip compatibility depends on the model and zipper side. Check the specific listing before assuming two will pair into a double.
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