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Therm-a-Rest NeoAir XTherm NXT vs Therm-a-Rest Z Lite Sol

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

Therm-a-Rest Z Lite Sol is the lighter option — 20 g lighter than the Therm-a-Rest NeoAir XTherm NXT (5% less weight). If grams matter to you, that is the one to beat.
Spec Therm-a-Rest NeoAir XTherm NXT Therm-a-Rest Z Lite Sol
Weight 430 g · 0.430 kg · 0.95 lb 410 g · 0.410 kg · 0.90 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 Z Lite Sol
410 g

Classic accordion-fold foam pad. R-value 2.0. Indestructible.

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Therm-a-Rest NeoAir XTherm NXT vs Therm-a-Rest Z Lite Sol: which should you buy?

If saving weight is your priority, the Therm-a-Rest Z Lite Sol wins — at 410 g it is 20 g (5%) lighter than the Therm-a-Rest NeoAir XTherm NXT (430 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