Katabatic Gear Flex 22 Quilt vs Western Mountaineering Ultralite 20°F

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

Katabatic Gear Flex 22 Quilt is the lighter option — 34 g lighter than the Western Mountaineering Ultralite 20°F (5% less weight). If grams matter to you, that is the one to beat.

Spec	Katabatic Gear Flex 22 Quilt	Western Mountaineering Ultralite 20°F
Weight	646 g · 0.646 kg · 1.42 lb	680 g · 0.680 kg · 1.50 lb
Brand	Katabatic Gear	Western Mountaineering
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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Western Mountaineering Ultralite 20°F

680 g

Premium 850-fill down sleeping bag rated to 20°F (-7°C).

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Katabatic Gear Flex 22 Quilt vs Western Mountaineering Ultralite 20°F: which should you buy?

If saving weight is your priority, the Katabatic Gear Flex 22 Quilt wins — at 646 g it is 34 g (5%) lighter than the Western Mountaineering Ultralite 20°F (680 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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