Outdoor Vitals Explorer 25&deg;F Rectangular Down Sleeping Bag, Double, 2 Person, 3 Season, rip-stop MAKE IT A DOUBLE: Buy a left and right zipper to mate them together into a large double sleeping bag! PERFECT FOR BACKPACKING: The sleeping bag only weights 3.1 lbs and compresses to about 8x8 inches! Thats about half the weight and size of most bags in its category! PREMIUM MATERIALS: This bags is manufactured using premium 700+ duck down on the top layer and state of the art Eulin Fiber synthetic on the bottom! Not to mention the 20D Ripstop shell fabric! LARGE IN SIZE: This bag was designed for double sleeping & those backpackers that hate mummy bags! Now enjoy the outdoors with room to move around or add a second bag to link up with your partner! 1 YEAR LIMITED WARRANTY WHEN PURCHASED FROM OUTDOOR VITALS: Here at Outdoor Vitals we want you to get the products you deserve. After you purchase, follow the simple instructions to get your one year limited warranty!