50-degree Fahrenheit (10-degree Celsius) ultralight down sleeping bag for summer backpacking and touring, or for use as a liner with another bag
High-loft 850 fill power down insulation (Responsible Down Standard certified) treated with ULTRA-DRY Down to improve reaction to moisture, retaining loft and performance
Ultralight, compressible 10D nylon shell with 7D liner fabric for minimal weight and bulk; one-third length, left-side YKK zipper
Contoured mummy shape provides adequate room for a natural sleeping position; sewn-through construction
Long size bag has a max user height of six feet six inches; bag weighs 9.2 ounces; compresses to 1.3 liters with included Ultra-Sil compression sack
