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NEMO Tensor Extreme Conditions vs Zenbivy Ultralight Bed

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

NEMO Tensor Extreme Conditions is the lighter option — 85 g lighter than the Zenbivy Ultralight Bed (15% less weight). If grams matter to you, that is the one to beat.
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Spec NEMO Tensor Extreme Conditions Zenbivy Ultralight Bed
Weight 482 g · 0.482 kg · 1.06 lb 567 g · 0.567 kg · 1.25 lb
Brand NEMO Zenbivy
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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Zenbivy Ultralight Bed
567 g

Hybrid sleep system: a 482g down quilt plus an 85g fitted sheet that attaches to a sleeping pad for a traditional, draft-free bed-like sleeping experience.

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NEMO Tensor Extreme Conditions vs Zenbivy Ultralight Bed: which should you buy?

If saving weight is your priority, the NEMO Tensor Extreme Conditions wins — at 482 g it is 85 g (15%) lighter than the Zenbivy Ultralight Bed (567 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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