Feathered Friends Hummingbird UL 30 vs Zpacks Zip Around Quilt 20°F
Weight and specs compared for 2026 — and which one to choose.
Premium 30°F ultralight sleeping bag with 900-fill-power goose down. Compact, warm, and durable for multi-season backpacking. (Regular size)
Full details →Down quilt rated to 20°F with 900-fill power down and 412g of fill. Unique zip-around attachment system. Popular choice for thru-hikers seeking versatility.
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Feathered Friends Hummingbird UL 30 vs Zpacks Zip Around Quilt 20°F: which should you buy?
If saving weight is your priority, the Feathered Friends Hummingbird UL 30 wins — at 533 g it is 79 g (13%) lighter than the Zpacks Zip Around Quilt 20°F (612 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.