Feathered Friends Vireo UL 25 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 — 5 g lighter than the Feathered Friends Vireo UL 25 Quilt (1% less weight). If grams matter to you, that is the one to beat.

Spec	Feathered Friends Vireo UL 25 Quilt	Katabatic Gear Alsek 22°F
Weight	459 g · 0.459 kg · 1.01 lb	454 g · 0.454 kg · 1.00 lb
Brand	Feathered Friends	Katabatic Gear
Category	Sleep System	Sleep System

Feathered Friends Vireo UL 25 Quilt

459 g

Top quilt rated to 25°F using premium 950-fill down. Strap system secures around sleeping pad for a draft-free, cozy sleep.

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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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Feathered Friends Vireo UL 25 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 5 g (1%) lighter than the Feathered Friends Vireo UL 25 Quilt (459 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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