Feathered Friends Swallow YF 20°F vs Therm-a-Rest Vesper 20F Quilt
Weight and specs compared for 2026 — and which one to choose.
Premium 950-fill down sleeping bag rated to 20°F.
Full details →Sleeping quilt rated to 20°F (-7°C) filled with 900-fill down, designed for ultralight three-season backpacking. Outstanding warmth-to-weight ratio.
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Feathered Friends Swallow YF 20°F vs Therm-a-Rest Vesper 20F Quilt: which should you buy?
If saving weight is your priority, the Therm-a-Rest Vesper 20F Quilt wins — at 550 g it is 159 g (22%) lighter than the Feathered Friends Swallow YF 20°F (709 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.