Katabatic Gear Alsek 22°F vs Zpacks Solo Quilt 20F

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

Zpacks Solo Quilt 20F is the lighter option — 119 g lighter than the Katabatic Gear Alsek 22°F (26% less weight). If grams matter to you, that is the one to beat.

Spec	Katabatic Gear Alsek 22°F	Zpacks Solo Quilt 20F
Weight	454 g · 0.454 kg · 1.00 lb	335 g · 0.335 kg · 0.74 lb
Brand	Katabatic Gear	Zpacks
Category	Sleep System	Sleep System

Katabatic Gear Alsek 22°F

454 g

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

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Zpacks Solo Quilt 20F

335 g

900-fill power down quilt with 20F (-7C) temperature rating in ultralight DCF shell. Pad attachment straps and adjustable snap footbox included.

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Katabatic Gear Alsek 22°F vs Zpacks Solo Quilt 20F: which should you buy?

If saving weight is your priority, the Zpacks Solo Quilt 20F wins — at 335 g it is 119 g (26%) lighter than the Katabatic Gear Alsek 22°F (454 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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