Therm-a-Rest NeoAir UberLite vs Therm-a-Rest Vesper Quilt 32F

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

Therm-a-Rest NeoAir UberLite is the lighter option — 300 g lighter than the Therm-a-Rest Vesper Quilt 32F (55% less weight). If grams matter to you, that is the one to beat.

Spec	Therm-a-Rest NeoAir UberLite	Therm-a-Rest Vesper Quilt 32F
Weight	250 g · 0.250 kg · 0.55 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 UberLite

250 g

Lightest NeoAir pad. R-value 2.0 for warm conditions.

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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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Therm-a-Rest NeoAir UberLite vs Therm-a-Rest Vesper Quilt 32F: which should you buy?

If saving weight is your priority, the Therm-a-Rest NeoAir UberLite wins — at 250 g it is 300 g (55%) 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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