Western Mountaineering Ultralite 20F Sleeping Bag vs Western Mountaineering Versalite 10°F

Name: Western Mountaineering Versalite 10°F
Brand: Western Mountaineering

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

No winner on weight yet. The recorded weights have not both been verified on the same basis. Size, included parts and single-item versus pair weights can differ. Check the linked sources before choosing a replacement.

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Spec	Western Mountaineering Ultralite 20F Sleeping Bag	Western Mountaineering Versalite 10°F
Weight	822 g · 0.822 kg · 1.81 lb size Regular (6'0")	905 g · 0.905 kg · 2.00 lb size 6'0" (180 cm)
Brand	Western Mountaineering	Western Mountaineering
Category	Sleep System	Sleep System

Western Mountaineering Ultralite 20F Sleeping Bag

822 g

Hand-sewn sleeping bag, 29oz, 850+ fill power goose down, three-season

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Western Mountaineering Versalite 10°F

905 g

850-fill down sleeping bag rated to 10°F (-12°C).

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Western Mountaineering Ultralite 20F Sleeping Bag vs Western Mountaineering Versalite 10°F: which should you buy?

The listed weights alone are not enough to choose between these products. Confirm the size, included parts and weight basis against each source; choose equipment for the function and fit you need.

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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