Mix and match the layers for year-round comfort. With 6 different combinations, you’re covered from early-spring all the way through the deep freeze! Product Features and Specifications. Polyester/cotton shell outer bag for long-lasting durability. 100% yarn-dyed cotton flannel inner bag seals in body heat for all-night warmth. Midweight liner traps body heat and prevents cold drafts. Total of hollow fiber polyester fill. Outer and Inner Bags zip together to form a double bag. Includes duffel carry bag. 3 layers combine for 6-way use. Sleep on 1 layer, cover with 2. Sleep on 2 layers, cover with 1. Add all layers together for ultimate -30ºF warmth. Outer Bag Material: 7-oz. Inner Bag Material: Yarn-dyed cotton flannel. Dimensions: 40″ x 85″l. You can return your item within 30 days after receiving the item. Some orders may not be eligible for GSP, please check each listing whether item qualifies for GSP or not. To our visitors and buyers. Thanks for stopping by! For the best experience possible and any questions about products you are viewing, do not hesitate to write us a message! We will take great care of you and assist you prior to your needs. The item “Portable 6 in 1 Sleeping Bag 4 Season -30 Degree for Winter Hiking Camping Sleep” is in sale since Tuesday, February 14, 2017. This item is in the category “Sporting Goods\Outdoor Sports\Camping & Hiking\Outdoor Sleeping Gear\Sleeping Bags”. The seller is “lgpitrend” and is located in US. This item can be shipped to United States.