Name: Lark 10 YF Sleeping Bag - Muscovy Down
Brand: Feathered Friends
SKU: 300093
Price: 579.0 USD
Availability: InStock

Feathered Friends-Lark 10 YF Sleeping Bag-Sleeping Bag YF-Regular-Marine

Feathered Friends-Lark 10 YF Sleeping Bag-Sleeping Bag YF-Regular-Cardinal

$579.00

Length

Regular

Long

Color — Cardinal

Cardinal

Marine

Feathered Friends sleeping bags typically take 6-10 days to ship. Undyed UL may take an extra week to ship.

Please view our Shipping information here for updated shipping times.

Once we receive your order, we will finish hand-crafting your sleeping bag right here in Seattle!

If you have an urgent deadline, do not hesitate to contact us.

Dimensions

The interior circumference of Standard Width Feathered Friends mummy sleeping bags is measured at four points: the shoulders, at the elbows, around the hips, and at the feet.

SHOULDER: 59" / 150cm
ELBOW: 64" / 163cm
HIPS: 55" / 140cm
FEET: 42" / 107cm

Have questions on sizing? Feel free to Contact Us - We're happy to help!

900+ Goose Down

We source our premium goose down from Eastern Europe. Our suppliers use time-honored practices such as hand gathering from small family farms, coupled with modern processing facilities featuring sustainable water and energy systems. The combination of high quality raw goose down and superior processing result in down clusters of unrivaled quality. All of the goose down we use is certified to the Responsible Down Standard (RDS).

900+ Muscovy Down

Ultrasonic Muscovy Down™comes from Muscovy ducks, a breed known for producing large and resilient down clusters that are closer in structure to Eider down than to traditionally sourced duck down. Our Muscovy down has undergone a patented ultrasonic washing process to ensure ultra-clean, odor-free, high-lofting down clusters. Ultrasonic Muscovy down is RDS and Bluesign certified.

Because Ultrasonic Muscovy is much less expensive than comparable fill power goose down, using Ultrasonic Muscovy allows us to offer a lower price point option for some products, without sacrificing quality standards.

What Is The Difference?

Besides the fact that goose down comes from geese and Muscovy down comes from ducks, the main difference is price. Market factors including availability, geolocation, and a stigma against traditional duck down make Muscovy down less expensive than goose down.

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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 with increased downproofing and water beading properties, even after years of use and washing.

YF: YFuse. Pertex Quantum® 20 denier mini-ripstop fabric

Details

Mummy shape (average width) with #5 YKK two-way, separating zipper with locking sliders
Full collar provides an effective seal of down around your neck to trap the heat
Trapezoidal footbox allows your feet to fall in a natural pose without compressing the sides
Continuous baffles let you position the insulation where you need it
3D contoured hood opens wide for warm nights and cinches tight when the temps start to drop
Generous draft tube prevents cold air from seeping past the zipper
Includes storage bag & stuff sack

Additional Info

Ideal Sleeper Height	Reg 6' 0" / 183 cm Long 6' 6" / 198 cm
Dimensions	59" shoulder / 64" elbow / 55" hip / 42" footbox
Zipper	Left Side, YKK #5
Shell	Pertex® YFuse®
Lining	20d 37g/m² nylon taffeta made from NetPlus® post-consumer recycled nylon. NetPlus® helps reduce ocean plastic pollution by incentivizing fishing communities to turn in end-of-life nets for recycling before potentially ending up in the environment.
Fill Power	900+ Fill Power Ultrasonic Muscovy Down or 900+ Fill Power Goose Down
Origin	Made in Seattle, USA of imported materials

Temp Rating	10ºF / -12.2ºC
Fill Weight	Reg 1 lb 4 oz / 568 g Long 1 lb 5.2 oz / 600 g
Average Weight	Reg 2 lb 1.4 oz / 946 g Long 2 lb 3.5 oz / 1005 g
Packed Size	11L

NetPlus® Interior Lining Fabric

NetPlus® is made from recycled fishing nets, creating a downproof yarn that also helps cut energy use during manufacturing. Compared to conventional nylon fabrics, NetPlus® reduces water use by up to 70% and overall energy consumption by up to 68%.

Close-up of Pertex Y Fuse fabric with visible weave pattern

Pertex® YFuse® Shell Fabric

Pertex® YFuse® (YF) filaments have a uniquely engineered Y form, tightly interlocking to create highly stable yarn structures.

Whereas conventional, circular sectioned filaments lie loosely side by side, Y Fuse filaments interlock tightly in layers to create a unified yarn structure. Fabrics created using Y Fuse yarns have greatly enhanced downproof and water beading properties.