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Exped SynMat HL Winter vs Therm-a-Rest NeoAir UberLite Regular

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

Therm-a-Rest NeoAir UberLite Regular is the lighter option — 430 g lighter than the Exped SynMat HL Winter (63% less weight). If grams matter to you, that is the one to beat.
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Spec Exped SynMat HL Winter Therm-a-Rest NeoAir UberLite Regular
Weight 680 g · 0.680 kg · 1.50 lb 250 g · 0.250 kg · 0.55 lb
Brand Exped Therm-a-Rest
Category Sleep System Sleep System
Exped SynMat HL Winter
680 g

4-season inflatable pad with R-value 8.0.

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Therm-a-Rest NeoAir UberLite Regular
250 g

Ultralight sleeping pad at 250g (regular). R-value 2.3, only 2.5 inches thick, ideal for ultralight backpacking.

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Exped SynMat HL Winter vs Therm-a-Rest NeoAir UberLite Regular: which should you buy?

If saving weight is your priority, the Therm-a-Rest NeoAir UberLite Regular wins — at 250 g it is 430 g (63%) lighter than the Exped SynMat HL Winter (680 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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