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Nemo Tensor Ultralight vs Therm-a-Rest Z Lite Sol

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

Nemo Tensor Ultralight is the lighter option — 70 g lighter than the Therm-a-Rest Z Lite Sol (17% less weight). If grams matter to you, that is the one to beat.
Spec Nemo Tensor Ultralight Therm-a-Rest Z Lite Sol
Weight 340 g · 0.340 kg · 0.75 lb 410 g · 0.410 kg · 0.90 lb
Brand Nemo Therm-a-Rest
Category Sleep System Sleep System
Nemo Tensor Ultralight
340 g

Ultralight inflatable pad with minimal noise. R-value 3.5.

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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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Nemo Tensor Ultralight vs Therm-a-Rest Z Lite Sol: which should you buy?

If saving weight is your priority, the Nemo Tensor Ultralight wins — at 340 g it is 70 g (17%) lighter than the Therm-a-Rest Z Lite Sol (410 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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