Outdoor Vitals 15 Degree Double Down Sleeping Bag, 2 Person, Double Sleepiing Bag, 3 Season, Lightwieght Extremely Warm Double Sleeping System! Lightweight! Only 3.5 pounds per bag making it light enough for backpacking and warm enough to stand the below freezing temperatures! Heavy duty zippers, Double draw string top, Compression sack, Hanging hooks, and Inside pocket (perfect for cell phones)! Duck Down Filling Keeps You Warm At 15 degrees plus more when coupled together with another bag! 500 Fill Down Compresses In Size To 6x7 Inches Per Sleeping Bag! Great For Throwing In Your Backpack! Field Tested By Our Experts! Read About It Below In The Description