Feathered Friends Hummingbird YF 30°F vs Katabatic Gear Sawatch 15

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

Feathered Friends Hummingbird YF 30°F is the lighter option — 190 g lighter than the Katabatic Gear Sawatch 15 (27% less weight). If grams matter to you, that is the one to beat.

Spec	Feathered Friends Hummingbird YF 30°F	Katabatic Gear Sawatch 15
Weight	510 g · 0.510 kg · 1.12 lb	700 g · 0.700 kg · 1.54 lb
Brand	Feathered Friends	Katabatic Gear
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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Katabatic Gear Sawatch 15

700 g

15F down quilt with 900+ fill power and a Pertex Quantum shell, packing down to roughly 7 liters for cold-weather trips.

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Feathered Friends Hummingbird YF 30°F vs Katabatic Gear Sawatch 15: which should you buy?

If saving weight is your priority, the Feathered Friends Hummingbird YF 30°F wins — at 510 g it is 190 g (27%) lighter than the Katabatic Gear Sawatch 15 (700 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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