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NEMO Tensor Extreme Conditions vs Sea to Summit Spark 30 Sleeping Bag

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

Both weigh the same at 482 g, so choose on features, price and fit.
Spec NEMO Tensor Extreme Conditions Sea to Summit Spark 30 Sleeping Bag
Weight 482 g · 0.482 kg · 1.06 lb 482 g · 0.482 kg · 1.06 lb
Brand NEMO Sea to Summit
Category Sleep System Sleep System
NEMO Tensor Extreme Conditions
482 g

Four-season insulated air pad delivering an 8.5 R-value at just 17oz. Among the lightest extremely well-insulated backpacking pads. Regular mummy.

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Sea to Summit Spark 30 Sleeping Bag
482 g

Ultralight 30°F mummy bag filled with 850+ loft down. Differential cut and ripstop shell deliver excellent warmth-to-weight ratio.

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NEMO Tensor Extreme Conditions vs Sea to Summit Spark 30 Sleeping Bag: which should you buy?

On weight these two are identical (482 g), so your decision comes down to features, fit and price. Check the full details and current price for each above.

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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