Sea To Summit Spark SPI UltraDry Down Regular Sleeping Bag. New(rep sample) Never slept in. Comes with storage bag and compression sack. High-loft, premium 850-fill-power European goose down offers superb warmth with minimal weight; Ultra-Dry Down water-repellent treatment protects down from moisture. Ultra-Dry Down is a water-repellent polymer treatment applied to the down; Ultra-Dry Down retains 60% more loft and absorbs 30% less moisture than untreated down. You can also use the Spark Sp I as a booster bag by slipping it inside another sleeping bag to add warmth. Ultralight 10-denier Pertex® Quantum® fabric with a durable water repellent treatment sheds moisture. Soft 15-denier nylon fabric lines the sleeping bag for excellent comfort next to skin. Left-side 1/3-length zipper saves weight over a full-length zipper. Compresses to the size of a grapefruit. Many sleeping bags are rated for temperature by an independent testing protocol. Ratings are based on a person wearing one long underwear layer and a hat, sleeping on a single 1 in. Everyone’s body and sleep comfort differ, so EN and ISO ratings are simply a guideline to help you compare products. 46 degrees (F) – EN. 54 degrees (F) – EN. Long: 13.8 ounces. Regular: 12.3 ounces. Regular: 6.3 ounces. Fits Up To in. 4 x 9 inches. The item “Sea To Summit Spark SPI UltraDry Down Regular Sleeping Bag 46 degree” is in sale since Sunday, April 12, 2020. This item is in the category “Sporting Goods\Outdoor Sports\Camping & Hiking\Outdoor Sleeping Gear\Sleeping Bags”. The seller is “lukeness715″ and is located in Canton, Georgia. This item can be shipped to United States.