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Feathered Friends Vireo UL 25 Quilt vs Zpacks Solo Quilt 20F

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

Zpacks Solo Quilt 20F is the lighter option — 124 g lighter than the Feathered Friends Vireo UL 25 Quilt (27% less weight). If grams matter to you, that is the one to beat.
Spec Feathered Friends Vireo UL 25 Quilt Zpacks Solo Quilt 20F
Weight 459 g · 0.459 kg · 1.01 lb 335 g · 0.335 kg · 0.74 lb
Brand Feathered Friends Zpacks
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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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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Feathered Friends Vireo UL 25 Quilt 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 124 g (27%) 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.

More sleep system comparisons