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NEMO Tensor Trail vs Western Mountaineering AstraLite

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

NEMO Tensor Trail is the lighter option — 127 g lighter than the Western Mountaineering AstraLite (26% less weight). If grams matter to you, that is the one to beat.
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Spec NEMO Tensor Trail Western Mountaineering AstraLite
Weight 369 g · 0.369 kg · 0.81 lb 496 g · 0.496 kg · 1.09 lb
Brand NEMO Western Mountaineering
Category Sleep System Sleep System
NEMO Tensor Trail
369 g

Ultralight insulated sleeping pad with Spaceframe baffles. R-Value of 2.8 for 3-season use.

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Western Mountaineering AstraLite
496 g

Ultralight 3-season sleeping bag with 850fp down and 12D shell. Designed for fast-and-light alpine pursuits and long trail journeys.

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NEMO Tensor Trail vs Western Mountaineering AstraLite: which should you buy?

If saving weight is your priority, the NEMO Tensor Trail wins — at 369 g it is 127 g (26%) lighter than the Western Mountaineering AstraLite (496 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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