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Western Mountaineering AstraLite Quilt vs Zpacks Solo Quilt 20F

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

Zpacks Solo Quilt 20F is the lighter option — 147 g lighter than the Western Mountaineering AstraLite Quilt (30% less weight). If grams matter to you, that is the one to beat.
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Spec Western Mountaineering AstraLite Quilt Zpacks Solo Quilt 20F
Weight 482 g · 0.482 kg · 1.06 lb 335 g · 0.335 kg · 0.74 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 Solo Quilt 20F
335 g

900-fill power down quilt with 20F (-7C) temperature rating in ultralight DCF shell. Pad attachment straps and adjustable snap footbox included.

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Western Mountaineering AstraLite Quilt vs Zpacks Solo Quilt 20F: which should you buy?

If saving weight is your priority, the Zpacks Solo Quilt 20F wins — at 335 g it is 147 g (30%) 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.

More sleep system comparisons