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Marmot Plasma 15°F vs NEMO Tensor Elite Ultralight Insulated

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

NEMO Tensor Elite Ultralight Insulated is the lighter option — 552 g lighter than the Marmot Plasma 15°F (65% less weight). If grams matter to you, that is the one to beat.
Spec Marmot Plasma 15°F NEMO Tensor Elite Ultralight Insulated
Weight 850 g · 0.850 kg · 1.87 lb 298 g · 0.298 kg · 0.66 lb
Brand Marmot NEMO
Category Sleep System Sleep System
Marmot Plasma 15°F
850 g

800-fill down sleeping bag rated to 15°F (-9°C).

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NEMO Tensor Elite Ultralight Insulated
298 g

Lightest insulated inflatable sleeping pad on the market. Trapezoidal baffles eliminate cold spots; inflates in under 60 seconds with pump sack.

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Marmot Plasma 15°F vs NEMO Tensor Elite Ultralight Insulated: which should you buy?

If saving weight is your priority, the NEMO Tensor Elite Ultralight Insulated wins — at 298 g it is 552 g (65%) lighter than the Marmot Plasma 15°F (850 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