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Cumulus Neo Quilt 300 vs Therm-a-Rest NeoAir XLite NXT Regular

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

Therm-a-Rest NeoAir XLite NXT Regular is the lighter option — 86 g lighter than the Cumulus Neo Quilt 300 (19% less weight). If grams matter to you, that is the one to beat.
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Spec Cumulus Neo Quilt 300 Therm-a-Rest NeoAir XLite NXT Regular
Weight 455 g · 0.455 kg · 1.00 lb 369 g · 0.369 kg · 0.81 lb
Brand Cumulus Therm-a-Rest
Category Sleep System Sleep System
Cumulus Neo Quilt 300
455 g

Ultralight 3-season quilt with 300g 900-fill goose down and closed footbox. Comfort rating -3°C. Features two-part strap system and adjustable draft collar for...

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Therm-a-Rest NeoAir XLite NXT Regular
369 g

Inflatable sleeping pad with R-value 4.5, 7.6cm thickness, Triangular Core Matrix baffles for warmth, and WingLock valve for fast inflation.

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Cumulus Neo Quilt 300 vs Therm-a-Rest NeoAir XLite NXT Regular: which should you buy?

If saving weight is your priority, the Therm-a-Rest NeoAir XLite NXT Regular wins — at 369 g it is 86 g (19%) lighter than the Cumulus Neo Quilt 300 (455 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