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Nemo Equipment Tensor Elite Ultralight vs Therm-a-Rest Parsec 20F

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

Nemo Equipment Tensor Elite Ultralight is the lighter option — 605 g lighter than the Therm-a-Rest Parsec 20F (74% less weight). If grams matter to you, that is the one to beat.
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Spec Nemo Equipment Tensor Elite Ultralight Therm-a-Rest Parsec 20F
Weight 215 g · 0.215 kg · 0.47 lb 820 g · 0.820 kg · 1.81 lb
Brand Nemo Equipment Therm-a-Rest
Category Sleep System Sleep System
Nemo Equipment Tensor Elite Ultralight
215 g

Lightest inflatable pad at 7.6oz with R-value 2.4. Ultra-compact packed size.

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Therm-a-Rest Parsec 20F
820 g

Updated 2026 ultralight 3-season sleeping bag with 900-fill Muscovy hydrophobic down. Comfort rating -6°C. Refined baffles for improved loft and simplified inte...

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Nemo Equipment Tensor Elite Ultralight vs Therm-a-Rest Parsec 20F: which should you buy?

If saving weight is your priority, the Nemo Equipment Tensor Elite Ultralight wins — at 215 g it is 605 g (74%) lighter than the Therm-a-Rest Parsec 20F (820 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