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Lost Dog 0˚

Lightweight synthetic fill Big Agnes System bags designed to excel in all conditions

Specs + Sizing

Bag WeightRegular: 4lb 2 oz / 1.87kg / Long: 4lb 10oz / 2.10kg
Fill WeightRegular: 46oz / 1.30 kg / Long: 52oz / 1.47kg
Compressed Bag SizeRegular: 9" x 11.5" / 23 x 29cm / Long: 9" x 12.5" / 23 x 32cm
Stuff Sack SizeRegular: XL 10" x 21" / XL 25 x 53cm / Long: XL 10" x 21" / XL 25 x 53cm

Features

The Big Agnes System bags offer technical, roomy sleeping spaces for those who aren't willing to sacrifice comfort or packability  

Streamlined silhouette for increased thermal efficiency 

Flex Pad Sleeve features stretch construction that accommodates multiple pad widths, and easily connects your bag to your pad 

Regular and Long bags fit 20" - 25" wide pads, Wide Long bags fit 25" - 30" wide pads

Free Range Hood gives you the freedom to lift your head. Jacket-style hood opening contours to the shape of your face for a comfortable, snug fit

Low-profile cordlock lets you un-cinch the hood with one hand

Pillow Barn – keeps your pillow tucked in tight all night

Internal hood drawcord gives you a secure, cozy fit when cinched

Free Range Footbox -  creates wiggle room for your feet

Rectangular shaped bag

Anti-snag zipper for a smooth, quick zip 

Regular: 65" / 165cm YKK #5 anti-snag locking zipper

Long: 70" / 178cm YKK #5 anti-snag locking zipper

Wide Long: 70" / 178cm YKK #5 anti-snag locking zipper

Zipper Garage 

Mate together left and right zip bags

No-draft collar, no-draft wedge, no-draft zipper

Interior fabric loops for sleeping bag liners

Exterior loops for hang drying or storage

Mesh storage sack & polyester ripstop stuff sack

Construction + Materials

Nylon ripstop shell fabric with a water repellent finish

Soft, cozy polyester lining

FireLine™ ECO Synthetic Insulation - 100% post-consumer recycled polyester. Features low-denier fibers that are tightly woven and provide high loft, compressibility, high weight-to-warmth ratio and durability

Here’s what other people think.

What’s in a Name?

Lost Dog Creek was named after Steamboat Springs settler John Crawford's hunting dog who went missing in the area while he was hunting bear on a tributary of the Elk River. Lost Creek meanders north of the Seedhouse Campground and Guard Station in North Routt County.