Big Agnes – Sandhoffer. 20 Degree Sleeping Bag. The item “New open box Big Agnes Sandhoffer 20 Degree Sleeping Bag Long Right Zip” is in sale since Monday, February 15, 2021. This item is in the category “Sporting Goods\Outdoor Sports\Camping & Hiking\Outdoor Sleeping Gear\Sleeping Bags”. The seller is “djg816″ and is located in Wallingford, Pennsylvania. This item can be shipped to United States.