Cumulus Aerial 250 Quilt vs Sea to Summit Aeros Ultralight Pillow
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 →Lightest backpacking pillow at 2.1 oz. Compresses down to baseball size for ultralight trips.
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Cumulus Aerial 250 Quilt vs Sea to Summit Aeros Ultralight Pillow: which should you buy?
If saving weight is your priority, the Sea to Summit Aeros Ultralight Pillow wins — at 59 g it is 431 g (88%) lighter than the Cumulus Aerial 250 Quilt (490 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.