Big Agnes Lost Dog 15°

The Big Agnes Lost Dog 15° is a rectangular synthetic bag using the same FireLine ECO insulation as the rest of the Lost Dog line, but with a roomier, less snug cut than a mummy. The manufacturer's -9 °C limit rating puts it in the three-season category, and a weight of 1446 g (868 g of fill) works out to 160.7 g per degree — a higher figure than the 0° version, a logical result of the less efficient rectangular shape with more interior volume. An internal pocket for small items, an adjustable hood, and pad loops are standard, along with an insulated collar and draft tube along the zipper. The shell is DWR-treated nylon ripstop, the liner is polyester. Unlike other bags in the line, this version does not ship with a stuff sack or storage sack — plan for your own packing solution. A coupleable left-side zipper lets you pair two bags into one double-wide unit. It suits three-season camping and backpacking where roominess and comfort take priority over minimum weight.