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Cumulus Aerial 250 Quilt vs Katabatic Gear Alsek 22°F

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

Katabatic Gear Alsek 22°F is the lighter option — 36 g lighter than the Cumulus Aerial 250 Quilt (7% less weight). If grams matter to you, that is the one to beat.
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Spec Cumulus Aerial 250 Quilt Katabatic Gear Alsek 22°F
Weight 490 g · 0.490 kg · 1.08 lb 454 g · 0.454 kg · 1.00 lb
Brand Cumulus Katabatic Gear
Category Sleep System Sleep System
Cumulus Aerial 250 Quilt
490 g

Summer 3-season ultralight quilt with 250g of 850 fill power down insulation, minimalist sleep system

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Katabatic Gear Alsek 22°F
454 g

Premium 850-fill down sleeping quilt rated to 22°F.

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Cumulus Aerial 250 Quilt vs Katabatic Gear Alsek 22°F: which should you buy?

If saving weight is your priority, the Katabatic Gear Alsek 22°F wins — at 454 g it is 36 g (7%) lighter than the Cumulus Aerial 250 Quilt (490 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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