Nemo Tensor Ultralight vs Therm-a-Rest Vesper Quilt 32F

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

Nemo Tensor Ultralight is the lighter option — 210 g lighter than the Therm-a-Rest Vesper Quilt 32F (38% less weight). If grams matter to you, that is the one to beat.

Spec	Nemo Tensor Ultralight	Therm-a-Rest Vesper Quilt 32F
Weight	340 g · 0.340 kg · 0.75 lb	550 g · 0.550 kg · 1.21 lb
Brand	Nemo	Therm-a-Rest
Category	Sleep System	Sleep System

Nemo Tensor Ultralight

340 g

Ultralight inflatable pad with minimal noise. R-value 3.5.

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Therm-a-Rest Vesper Quilt 32F

550 g

Lightest quilt using 900-fill hydrophobic goose down with 360g fill weight. Features snap-button closure and pad attachment loops. Rated to 32°F / 0°C.

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Nemo Tensor Ultralight vs Therm-a-Rest Vesper Quilt 32F: which should you buy?

If saving weight is your priority, the Nemo Tensor Ultralight wins — at 340 g it is 210 g (38%) lighter than the Therm-a-Rest Vesper Quilt 32F (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.

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