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Cumulus Neo Quilt 450 vs Western Mountaineering Versalite 10°F

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

Cumulus Neo Quilt 450 is the lighter option — 240 g lighter than the Western Mountaineering Versalite 10°F (28% less weight). If grams matter to you, that is the one to beat.
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Spec Cumulus Neo Quilt 450 Western Mountaineering Versalite 10°F
Weight 610 g · 0.610 kg · 1.34 lb 850 g · 0.850 kg · 1.87 lb
Brand Cumulus Western Mountaineering
Category Sleep System Sleep System
Cumulus Neo Quilt 450
610 g

Ultra-lightweight quilt with 450g 900-fill goose down, closed footbox design. Comfort rating -2°C. 39 compartments with H-shaped baffles prevent cold spots and...

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Western Mountaineering Versalite 10°F
850 g

850-fill down sleeping bag rated to 10°F (-12°C).

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Cumulus Neo Quilt 450 vs Western Mountaineering Versalite 10°F: which should you buy?

If saving weight is your priority, the Cumulus Neo Quilt 450 wins — at 610 g it is 240 g (28%) lighter than the Western Mountaineering Versalite 10°F (850 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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