Feathered Friends Hummingbird YF 30°F vs NEMO Tensor Elite Ultralight Insulated

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

NEMO Tensor Elite Ultralight Insulated is the lighter option — 212 g lighter than the Feathered Friends Hummingbird YF 30°F (42% less weight). If grams matter to you, that is the one to beat.

Spec	Feathered Friends Hummingbird YF 30°F	NEMO Tensor Elite Ultralight Insulated
Weight	510 g · 0.510 kg · 1.12 lb	298 g · 0.298 kg · 0.66 lb
Brand	Feathered Friends	NEMO
Category	Sleep System	Sleep System

Feathered Friends Hummingbird YF 30°F

510 g

Ultralight 950-fill down bag rated to 30°F (-1°C).

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NEMO Tensor Elite Ultralight Insulated

298 g

Lightest insulated inflatable sleeping pad on the market. Trapezoidal baffles eliminate cold spots; inflates in under 60 seconds with pump sack.

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Feathered Friends Hummingbird YF 30°F vs NEMO Tensor Elite Ultralight Insulated: which should you buy?

If saving weight is your priority, the NEMO Tensor Elite Ultralight Insulated wins — at 298 g it is 212 g (42%) lighter than the Feathered Friends Hummingbird YF 30°F (510 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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