Cumulus The Quilt 600 vs Katabatic Gear Flex 15°F Quilt
Weight and specs compared for 2026 — and which one to choose.
Four-season ultralight quilt with 600g 800-fill power hydrophobic goose down. Premium 7D Toray Airtastic ripstop shell. Exceptional warmth-to-weight for winter...
Lightweight three-season quilt with 900 fill power goose down, patented pad attachment system, and down-filled collar. Regular size (6'), includes stuff sack an...
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Cumulus The Quilt 600 vs Katabatic Gear Flex 15°F Quilt: which should you buy?
If saving weight is your priority, the Katabatic Gear Flex 15°F Quilt wins — at 723 g it is 82 g (10%) lighter than the Cumulus The Quilt 600 (805 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.