Cumulus Aerial 250 Quilt vs Zpacks Summer 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 →Minimal 8.6-ounce quilt for warm weather camping. Doubles as winter sleeping bag liner.
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Cumulus Aerial 250 Quilt vs Zpacks Summer Quilt: which should you buy?
If saving weight is your priority, the Zpacks Summer Quilt wins — at 244 g it is 246 g (50%) 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.