I cannot really guarantee that this is accurate but have no other way of weighing it. Seems pretty close to Nemos stated weight. The item "NEMO Equipment Inc Sonic -20 Sleeping Bag -20 Degree Down Size LONG 6'6" is in sale since Sunday, January 5, 2020.This item is in the category "Sporting Goods\Outdoor Sports\Camping & Hiking\Outdoor Sleeping Gear\Sleeping Bags". The seller is "eastonquincy6" and is located in Quincy, Massachusetts. This item can be shipped to United States.