NEMO Equipment Tensor Elite Sleeping Pad vs Sea to Summit Spark SP I

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

NEMO Equipment Tensor Elite Sleeping Pad is the lighter option — 157 g lighter than the Sea to Summit Spark SP I (40% less weight). If grams matter to you, that is the one to beat.

Spec	NEMO Equipment Tensor Elite Sleeping Pad	Sea to Summit Spark SP I
Weight	240 g · 0.240 kg · 0.53 lb	397 g · 0.397 kg · 0.88 lb
Brand	NEMO Equipment	Sea to Summit
Category	Sleep System	Sleep System

NEMO Equipment Tensor Elite Sleeping Pad

240 g

Top-tier ultralight inflatable sleeping pad with R-value 2.4 and 3-inch thickness. Quieter baffle construction with 10D Cordura nylon shell.

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Sea to Summit Spark SP I

397 g

Ultralight 850-fill down sleeping bag rated to 25°C.

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NEMO Equipment Tensor Elite Sleeping Pad vs Sea to Summit Spark SP I: which should you buy?

If saving weight is your priority, the NEMO Equipment Tensor Elite Sleeping Pad wins — at 240 g it is 157 g (40%) lighter than the Sea to Summit Spark SP I (397 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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