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Nemo Forte 35°F vs Zpacks Sleeping Bag 20°F

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

Zpacks Sleeping Bag 20°F is the lighter option — 963 g lighter than the Nemo Forte 35°F (71% less weight). If grams matter to you, that is the one to beat.
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Spec Nemo Forte 35°F Zpacks Sleeping Bag 20°F
Weight 1,360 g · 1.360 kg · 3.00 lb 397 g · 0.397 kg · 0.88 lb
Brand Nemo Zpacks
Category Sleep System Sleep System
Nemo Forte 35°F
1,360 g

Synthetic sleeping bag rated to 35°F. Machine washable.

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Zpacks Sleeping Bag 20°F
397 g

Ultralight 900-fill down sleeping bag rated to 20°F.

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Nemo Forte 35°F vs Zpacks Sleeping Bag 20°F: which should you buy?

If saving weight is your priority, the Zpacks Sleeping Bag 20°F wins — at 397 g it is 963 g (71%) lighter than the Nemo Forte 35°F (1,360 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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