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Therm-a-Rest Vesper 32F Down Quilt vs Western Mountaineering AstraLite Quilt 26F

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

No winner on weight yet. The recorded weights have not both been verified on the same basis. Size, included parts and single-item versus pair weights can differ. Check the linked sources before choosing a replacement.

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Spec Therm-a-Rest Vesper 32F Down Quilt Western Mountaineering AstraLite Quilt 26F
Weight 440 g · 0.440 kg · 0.97 lb
size Regular
 454 g · 0.454 kg · 1.00 lb
length 5'8" (page has no 'Regular'; 6'4" is 496 g)
Brand Therm-a-Rest Western Mountaineering
Category Sleep System Sleep System
Therm-a-Rest Vesper 32F Down Quilt
440 g

Premium ultralight quilt with 900-fill hydrophobic down. Rated 32F/0C. At 550g it is the lightest mainstream quilt in its temperature class.

See it in your base weight → Full details →
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.

See it in your base weight → Full details →

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Therm-a-Rest Vesper 32F Down Quilt vs Western Mountaineering AstraLite Quilt 26F: which should you buy?

The listed weights alone are not enough to choose between these products. Confirm the size, included parts and weight basis against each source; choose equipment for the function and fit you need.

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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