Nemo Flyer 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 — 255 g lighter than the Nemo Flyer (39% less weight). If grams matter to you, that is the one to beat.

Spec	Nemo Flyer	Zpacks Sleeping Bag 20°F
Weight	652 g · 0.652 kg · 1.44 lb	397 g · 0.397 kg · 0.88 lb
Brand	Nemo	Zpacks
Category	Sleep System	Sleep System

Nemo Flyer

652 g

Self-inflating baffled air sleeping pad with 5cm of foam-backed comfort and a regular packed weight around 650g.

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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 Flyer 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 255 g (39%) lighter than the Nemo Flyer (652 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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