Lark 10 YF Sleeping Bag - Muscovy Down

$579.00

Spec sheet Checked by IndieOut

Maker: Feathered Friends
Made in: Seattle, WA
Type: Sleeping Bag YF
Availability: In stock at maker
Added: Apr 10, 2026
Last verified: Apr 10, 2026
Fulfilled by: Feathered Friends — direct

Made in Seattle, WA by an indie down & rain gear maker. Premium down sleeping bags and jackets made in Seattle since 1972.

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Meet the maker

Feathered Friends

Seattle, WA · Down & Rain Gear

Premium down sleeping bags and jackets made in Seattle since 1972. One of the few remaining U.S. manufacturers of down products. Their sleeping bags are used on Everest expeditions.

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Details

We made a favorite even warmer. Take our most popular 20 degree model, the Swallow, add a full collar and additional fill, and you have a rock-solid three-season bag that packs remarkably small while maintaining room to sleep comfortably. Filled with premium 900+ fill power Muscovy down, the Lark YF represents an excellent option for those who sleep on the cold side or push their adventures well into the colder evenings of spring and fall. Our YF line of sleeping bags feature a lightweight, 100% nylon Pertex® Quantum® shell that uses yarns with unique Y-shaped filaments to create a fabric w...