Cumulus Neo Quilt 450 vs Katabatic Gear Flex 15°F Quilt
Weight and specs compared for 2026 — and which one to choose.
Ultra-lightweight quilt with 450g 900-fill goose down, closed footbox design. Comfort rating -2°C. 39 compartments with H-shaped baffles prevent cold spots and...
Full details →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 Neo Quilt 450 vs Katabatic Gear Flex 15°F Quilt: which should you buy?
If saving weight is your priority, the Cumulus Neo Quilt 450 wins — at 610 g it is 113 g (16%) lighter than the Katabatic Gear Flex 15°F Quilt (723 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.