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NEMO Tensor Elite Ultralight Insulated vs Sea to Summit Ember Sleeping Bag

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

NEMO Tensor Elite Ultralight Insulated is the lighter option — 311 g lighter than the Sea to Summit Ember Sleeping Bag (51% less weight). If grams matter to you, that is the one to beat.
Spec NEMO Tensor Elite Ultralight Insulated Sea to Summit Ember Sleeping Bag
Weight 298 g · 0.298 kg · 0.66 lb 609 g · 0.609 kg · 1.34 lb
Brand NEMO Sea to Summit
Category Sleep System Sleep System
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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Sea to Summit Ember Sleeping Bag
609 g

Three-season sleeping bag with 850+ UltraDry hydrophobic down, 5.1L pack size, and a rectangular zipper profile for comfort. Men's regular size.

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NEMO Tensor Elite Ultralight Insulated vs Sea to Summit Ember Sleeping Bag: which should you buy?

If saving weight is your priority, the NEMO Tensor Elite Ultralight Insulated wins — at 298 g it is 311 g (51%) lighter than the Sea to Summit Ember Sleeping Bag (609 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