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Zpacks Classic Sleeping Bag 20F vs Zpacks Summer Quilt

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

Zpacks Summer Quilt is the lighter option — 103 g lighter than the Zpacks Classic Sleeping Bag 20F (30% less weight). If grams matter to you, that is the one to beat.
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Spec Zpacks Classic Sleeping Bag 20F Zpacks Summer Quilt
Weight 347 g · 0.347 kg · 0.77 lb 244 g · 0.244 kg · 0.54 lb
Brand Zpacks Zpacks
Category Sleep System Sleep System
Zpacks Classic Sleeping Bag 20F
347 g

Mummy-style sleeping bag rated to 20F (-7C) with 900-fill goose down. DCF outer shell for low weight and packability. Water-resistant treatment included.

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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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Zpacks Classic Sleeping Bag 20F vs Zpacks Summer Quilt: which should you buy?

If saving weight is your priority, the Zpacks Summer Quilt wins — at 244 g it is 103 g (30%) lighter than the Zpacks Classic Sleeping Bag 20F (347 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.

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