BIG AGNES Lost Dog 0˚F/-18˚C Sleeping Bag

LIGHTWEIGHT SYNTHETIC FILL BIG AGNES SYSTEM BAGS DESIGNED TO EXCEL IN ALL CONDITIONS

Big Agnes System bags with FireLine™ ECO synthetic insulation offer a roomy, rectangle-shaped sleeping space with an integrated Flex Pad Sleeve on the bottom. With technical fabrics and construction, 100% recycled, super-warm insulation, and tons of comfort features, these comfortable sleeping bags are designed to be lightweight enough for backpacking but cozy enough you’ll want them in the campground too. The streamlined silhouette and Flow™ construction increase the thermal efficiency keeping you warm from head to toe. The Flex Pad Sleeve unites easily with your pad, and as you change positions over the course of the night, will keep you from rolling off your pad.

Specs + Sizing

Bag Weight	Regular: 4lb 2 oz / 1.87kg / Long: 4lb 10oz / 2.10kg
Fill Weight	Regular: 46oz / 1.30 kg / Long: 52oz / 1.47kg
Compressed Bag Size	Regular: 9″ x 11.5″ / 23 x 29cm / Long: 9″ x 12.5″ / 23 x 32cm
Stuff Sack Size	Regular: 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