Outdoor Vitals OV-Light 40 Degree 3 Season Rectangular Sleeping Bag, Lightweight, Backpacking, Ultra Compactable, Hiking, Camping, MAKE IT A DOUBLE: Buy any 2 Rectangular bags and zip them together to make a double for your and your camping partner! PERFECT FOR BACKPACKING: With the sleeping bag only weighing 2 lbs 4 oz (compression bag adds 2.5 oz) and compacting down to 10 x 7 inches (or less), it's the ultimate backpacking sleeping bag! STAY WARM: This bag is rated down to 40 degrees Fahrenheit! It also has a new hollow filament synthetic fill that provides amazing warmth for its weight! DURABLE: The OV-Light sleeping bag comes with super durable, reinforced zippers and a state of the art zipper guard! Topped with an ultra tough, but light weight 320D nylon shell! LIFETIME 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 activate your Lifetime Warranty!