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Forclaz Trek MT900 5°C Down vs NEMO Tensor Trail

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

NEMO Tensor Trail is the lighter option — 461 g lighter than the Forclaz Trek MT900 5°C Down (56% less weight). If grams matter to you, that is the one to beat.
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Spec Forclaz Trek MT900 5°C Down NEMO Tensor Trail
Weight 830 g · 0.830 kg · 1.83 lb 369 g · 0.369 kg · 0.81 lb
Brand Forclaz NEMO
Category Sleep System Sleep System
Forclaz Trek MT900 5°C Down
830 g

700 fill power RDS down mummy-style sleeping bag with 90% duck down. Ideal for 3-season trekking with anatomical hood and adjustable footbox. 5°C comfort rating...

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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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Forclaz Trek MT900 5°C Down vs NEMO Tensor Trail: which should you buy?

If saving weight is your priority, the NEMO Tensor Trail wins — at 369 g it is 461 g (56%) lighter than the Forclaz Trek MT900 5°C Down (830 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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