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Western Mountaineering AstraLite Quilt vs Zpacks Summer Quilt

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

Zpacks Summer Quilt is the lighter option — 238 g lighter than the Western Mountaineering AstraLite Quilt (49% less weight). If grams matter to you, that is the one to beat.
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Spec Western Mountaineering AstraLite Quilt Zpacks Summer Quilt
Weight 482 g · 0.482 kg · 1.06 lb 244 g · 0.244 kg · 0.54 lb
Brand Western Mountaineering Zpacks
Category Sleep System Sleep System
Western Mountaineering AstraLite Quilt
482 g

35°F sleeping quilt with 850+ fill power down, thin crisscross elastic back strap for secure fit, and premium hand-sewn construction.

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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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Western Mountaineering AstraLite 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 238 g (49%) lighter than the Western Mountaineering AstraLite Quilt (482 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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