●Polyester ●Imported ●Double sleeping bag with 3-in-1 design can zip apart into 2 separate sleeping bags ●Can accommodate most people up to 6 feet 4 inches in height. One size fits most ●Coletherm hollow polyester insulation provides warmth in temperatures as low as 45 degrees Fahrenheit ●ZipPlow system plows away fabric to prevent snagging during zipping ●Roll Control design, Quick Cord system, and stuff sack for easy rolling, fastening, and toting ●Zip two together for double the room