Katabatic Gear Flex 22 Quilt vs Therm-a-Rest Vesper 20 Sleeping Bag
Weight and specs compared for 2026 — and which one to choose.
22°F down quilt with 900-fill-power goose down and adjustable footbox. Regular size. Highly packable and ultralight for 3-season backpacking.
Full details →900-fill hydrophobic goose down sleeping bag rated to 20°F/-6°C. Ultralight and highly compressible for three-season backpacking.
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Katabatic Gear Flex 22 Quilt vs Therm-a-Rest Vesper 20 Sleeping Bag: which should you buy?
If saving weight is your priority, the Therm-a-Rest Vesper 20 Sleeping Bag wins — at 550 g it is 96 g (15%) lighter than the Katabatic Gear Flex 22 Quilt (646 g). That said, the heavier option may justify the extra grams with more capacity, durability or comfort, so weigh the trade-off against how you'll use it.
See where both rank against everything else in this category on the lightest sleep system page, or browse the full gear weight database.