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Cumulus The Quilt 600 vs Zpacks Summer Quilt

Weight and specs compared for 2026 — and which one to choose.

Zpacks Summer Quilt is the lighter option — 561 g lighter than the Cumulus The Quilt 600 (70% less weight). If grams matter to you, that is the one to beat.
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Spec Cumulus The Quilt 600 Zpacks Summer Quilt
Weight 805 g · 0.805 kg · 1.77 lb 244 g · 0.244 kg · 0.54 lb
Brand Cumulus Zpacks
Category Sleep System Sleep System
Cumulus The Quilt 600
805 g

Four-season ultralight quilt with 600g 800-fill power hydrophobic goose down. Premium 7D Toray Airtastic ripstop shell. Exceptional warmth-to-weight for winter...

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Zpacks Summer Quilt
244 g

Minimal 8.6-ounce quilt for warm weather camping. Doubles as winter sleeping bag liner.

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Cumulus The Quilt 600 vs Zpacks Summer Quilt: which should you buy?

If saving weight is your priority, the Zpacks Summer Quilt wins — at 244 g it is 561 g (70%) lighter than the Cumulus The Quilt 600 (805 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.

More sleep system comparisons