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Therm-a-Rest Vesper 20F vs Therm-a-Rest Vesper Quilt 45°F

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 20F Therm-a-Rest Vesper Quilt 45°F
Weight 550 g · 0.550 kg · 1.21 lb
size Regular
 550 g · 0.550 kg · 1.21 lb
Brand Therm-a-Rest Therm-a-Rest
Category Sleep System Sleep System
Therm-a-Rest Vesper 20F
550 g

Ultralight quilt with 900-fill hydrophobic Nikwax Treated Down. Rated 20°F with neck baffle and footbox snap. Among lightest mainstream quilts.

See it in your base weight → Full details →
Therm-a-Rest Vesper Quilt 45°F
550 g

900-fill hydrophobic goose down quilt rated to 45°F / 7°C; ultralight and highly packable for warm-weather thru-hiking and fastpacking.

See it in your base weight → Full details →

Building a pack? Add either one to your HikeLoad list, or drop its weight into the base weight calculator, and see what it does to your total weight.

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Therm-a-Rest Vesper 20F vs Therm-a-Rest Vesper Quilt 45°F: 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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