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Therm-a-Rest NeoAir XTherm NXT vs Therm-a-Rest Vesper Quilt

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

Therm-a-Rest NeoAir XTherm NXT is the lighter option — 120 g lighter than the Therm-a-Rest Vesper Quilt (22% less weight). If grams matter to you, that is the one to beat.
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Spec Therm-a-Rest NeoAir XTherm NXT Therm-a-Rest Vesper Quilt
Weight 430 g · 0.430 kg · 0.95 lb 550 g · 0.550 kg · 1.21 lb
Brand Therm-a-Rest Therm-a-Rest
Category Sleep System Sleep System
Therm-a-Rest NeoAir XTherm NXT
430 g

4-season inflatable sleeping pad with R-value 7.3.

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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.

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Therm-a-Rest NeoAir XTherm NXT vs Therm-a-Rest Vesper Quilt: which should you buy?

If saving weight is your priority, the Therm-a-Rest NeoAir XTherm NXT wins — at 430 g it is 120 g (22%) lighter than the Therm-a-Rest Vesper Quilt (550 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.

More sleep system comparisons