For outstanding three-season performance anywhere from the desert to the Pacific Northwest, check out the Ignite Down 20°. Insulated with 600-fill DriDown, this bag combines all the benefits of down -high compressibility, superior warmth, and light weight- with unmatched performance in the presence of humidity, condensation, and sweat. The Ignite DriDown(tm) 20o will keep you warm with lots of key features. The box baffle construction with ground-level side seams and differential cut maximizes warmth and eliminates cold spots while the top draft collar and zipper draft tube with anti-snag design will keep the cold air out of the bag. The efficient, form fitting hood is warm and comfortable and the Fatman and Ribbon(tm) draw cords, with captured cord lock for one-handed adjustment, makes it easy to adjust. The bag is also easy to get in and out of with the 58″ dual-slider locking zipper. Also includes internal liner loops, sleeping pad security loops to keep you on your pad (straps sold separately), hanging loops, and a stuff sack. DriDown(tm) – What Is It, Simply put, DriDown represents the evolution of down insulation. Regular down is treated with a molecular level polymer to create a hydrophobic finish on each individual down plume. This finish allows DriDown to stay dry longer, loft better, and dry faster than untreated down, keeping you warmer in any environment. EN Tested: At the most basic level, the EN (European Norm) Test helps Kelty understand how much insulation is required to keep a person warm and comfortable through the night. The EN Test enables Kelty to confirm what temperature an average man will sleep comfortably and what temperature a woman will sleep comfortably in the tested bags. Ratings are based on the user wearing long underwear, socks and a hat, and sleeping on a 1″ thick pad. . Shell Material: 30D Nylon Rip stop. Liner Material: 50D Polyester Micro Pongee .