Down Sleeping Bag for two people or one person that likes a lot of room. Sierra Designs Backcountry Bed Duo 600, 2015 model. Weight, 600 fill dry down. For details, please refer to the REI website. Used twice, perfect solution for two. The item “Down Sleeping Bag (Double) Sierra Designs Backcountry Bed Duo” is in sale since Wednesday, June 27, 2018. This item is in the category “Sporting Goods\Outdoor Sports\Camping & Hiking\Outdoor Sleeping Gear\Sleeping Bags”. The seller is “mafel34″ and is located in Makawao, Hawaii. This item can be shipped to United States.