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Katabatic Gear Flex 22 Quilt vs Marmot Plasma 15°F

Weight and specs compared for 2026 — and which one to choose.

Katabatic Gear Flex 22 Quilt is the lighter option — 204 g lighter than the Marmot Plasma 15°F (24% less weight). If grams matter to you, that is the one to beat.
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Spec Katabatic Gear Flex 22 Quilt Marmot Plasma 15°F
Weight 646 g · 0.646 kg · 1.42 lb 850 g · 0.850 kg · 1.87 lb
Brand Katabatic Gear Marmot
Category Sleep System Sleep System
Katabatic Gear Flex 22 Quilt
646 g

22°F down quilt with 900-fill-power goose down and adjustable footbox. Regular size. Highly packable and ultralight for 3-season backpacking.

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Marmot Plasma 15°F
850 g

800-fill down sleeping bag rated to 15°F (-9°C).

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Katabatic Gear Flex 22 Quilt vs Marmot Plasma 15°F: which should you buy?

If saving weight is your priority, the Katabatic Gear Flex 22 Quilt wins — at 646 g it is 204 g (24%) lighter than the Marmot Plasma 15°F (850 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.

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