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Cumulus Quilt 150 vs Western Mountaineering AstraLite Quilt 26F

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

Cumulus Quilt 150 is the lighter option — 74 g lighter than the Western Mountaineering AstraLite Quilt 26F (16% less weight). If grams matter to you, that is the one to beat.
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Spec Cumulus Quilt 150 Western Mountaineering AstraLite Quilt 26F
Weight 380 g · 0.380 kg · 0.84 lb 454 g · 0.454 kg · 1.00 lb
Brand Cumulus Western Mountaineering
Category Sleep System Sleep System
Cumulus Quilt 150
380 g

Ultra-lightweight 3-season summer quilt filled with 150g of 850-fill Polish goose down. Features Toray Airtastic fabric, sewn-through baffle construction, open...

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Western Mountaineering AstraLite Quilt 26F
454 g

First quilt from Western Mountaineering. 850fp European down, rated to 26F. 10D/12D shell. Extremely packable at 454g. Premium craftsmanship.

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Cumulus Quilt 150 vs Western Mountaineering AstraLite Quilt 26F: which should you buy?

If saving weight is your priority, the Cumulus Quilt 150 wins — at 380 g it is 74 g (16%) lighter than the Western Mountaineering AstraLite Quilt 26F (454 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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