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

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

Both weigh the same at 550 g, so choose on features, price and fit.
Spec Therm-a-Rest Vesper 20 Sleeping Bag Therm-a-Rest Vesper Quilt 45°F
Weight 550 g · 0.550 kg · 1.21 lb 550 g · 0.550 kg · 1.21 lb
Brand Therm-a-Rest Therm-a-Rest
Category Sleep System Sleep System
Therm-a-Rest Vesper 20 Sleeping Bag
550 g

900-fill hydrophobic goose down sleeping bag rated to 20°F/-6°C. Ultralight and highly compressible for three-season backpacking.

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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.

Full details →

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Therm-a-Rest Vesper 20 Sleeping Bag vs Therm-a-Rest Vesper Quilt 45°F: which should you buy?

On weight these two are identical (550 g), so your decision comes down to features, fit and price. Check the full details and current price for each above.

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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