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Therm-a-Rest Vesper 20 Sleeping Bag vs Therm-a-Rest Vesper Quilt

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
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
550 g

Premium 900-fill hydrophobic goose down quilt for 3-season backpacking. Pad attachment straps keep it secure through the night.

Full details →

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Therm-a-Rest Vesper 20 Sleeping Bag vs Therm-a-Rest Vesper Quilt: 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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