Therm-a-Rest Hyperion 20 vs Zenbivy Ultralight Bed Quilt 25°F
Weight and specs compared for 2026 — and which one to choose.
900-fill Hyperdry down mummy sleeping bag rated to 20F/-6C. 10D ripstop nylon shell with DWR treatment. Regular size.
Full details →Ultralight down quilt with 850FP duck down insulation, 482g weight for regular size with Pertex shell fabric.
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Therm-a-Rest Hyperion 20 vs Zenbivy Ultralight Bed Quilt 25°F: which should you buy?
If saving weight is your priority, the Zenbivy Ultralight Bed Quilt 25°F wins — at 482 g it is 85 g (15%) lighter than the Therm-a-Rest Hyperion 20 (567 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.