Exped Ultra 6.5R vs Feathered Friends Hummingbird YF 30°F

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

Exped Ultra 6.5R is the lighter option — 150 g lighter than the Feathered Friends Hummingbird YF 30°F (29% less weight). If grams matter to you, that is the one to beat.

Spec	Exped Ultra 6.5R	Feathered Friends Hummingbird YF 30°F
Weight	360 g · 0.360 kg · 0.79 lb	510 g · 0.510 kg · 1.12 lb
Brand	Exped	Feathered Friends
Category	Sleep System	Sleep System

Exped Ultra 6.5R

360 g

All-season insulated air mat with R-6.9 warmth, 9cm thickness and quiet 20D recycled face fabric; mummy regular.

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Feathered Friends Hummingbird YF 30°F

510 g

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

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Exped Ultra 6.5R vs Feathered Friends Hummingbird YF 30°F: which should you buy?

If saving weight is your priority, the Exped Ultra 6.5R wins — at 360 g it is 150 g (29%) 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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