Cumulus Aerial 250 Quilt vs Therm-a-Rest Vesper Quilt
Weight and specs compared for 2026 — and which one to choose.
Summer 3-season ultralight quilt with 250g of 850 fill power down insulation, minimalist sleep system
Full details →Premium 900-fill hydrophobic goose down quilt for 3-season backpacking. Pad attachment straps keep it secure through the night.
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Cumulus Aerial 250 Quilt vs Therm-a-Rest Vesper Quilt: which should you buy?
If saving weight is your priority, the Cumulus Aerial 250 Quilt wins — at 490 g it is 60 g (11%) lighter than the Therm-a-Rest Vesper Quilt (550 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.