Therm-a-Rest NeoAir UberLite Regular vs Therm-a-Rest NeoAir XTherm NXT
Weight and specs compared for 2026 — and which one to choose.
Ultralight sleeping pad at 250g (regular). R-value 2.3, only 2.5 inches thick, ideal for ultralight backpacking.
4-season inflatable sleeping pad with R-value 7.3.
Building a pack? Add either one to your HikeLoad list, or drop its weight into the base weight calculator, and see what it does to your total weight.
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Therm-a-Rest NeoAir UberLite Regular vs Therm-a-Rest NeoAir XTherm NXT: which should you buy?
If saving weight is your priority, the Therm-a-Rest NeoAir UberLite Regular wins — at 250 g it is 180 g (42%) 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.