Feathered Friends Vireo UL 25 Quilt vs Zpacks Classic Sleeping Bag 20F
Weight and specs compared for 2026 — and which one to choose.
Top quilt rated to 25°F using premium 950-fill down. Strap system secures around sleeping pad for a draft-free, cozy sleep.
Check price Full details →Mummy-style sleeping bag rated to 20F (-7C) with 900-fill goose down. DCF outer shell for low weight and packability. Water-resistant treatment included.
Check price Full details →Feathered Friends Vireo UL 25 Quilt vs Zpacks Classic Sleeping Bag 20F: which should you buy?
If saving weight is your priority, the Zpacks Classic Sleeping Bag 20F wins — at 347 g it is 112 g (24%) 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.