Outdoor Vitals Summit 0&deg;F Premium Down Sleeping Bag, Certified Down, Ultralight, Compact, Free Compression Bag&hellip; Outdoor Vitals was founded 3 years ago by Tayson who was finishing college and trying to afford premium gear. Once he found out he was paying an extra 50% to buy through retail stores, he started a new company to sell direct to consumers via the internet. Since then we have helped tens of thousands of customers afford quality gear at affordable prices! PREMIUM DOWN INSULATION: 800+ fill power down compresses smaller, cuts weight and keep you warmer! LIGHTEST WEIGHT MATERIALS: featuring our lightest weight fabrics and highest quality down. Just imagine the warmth when temperatures drop without packing more weight or bulk! GRID BAFFLE DESIGN: the spacious grid baffle design locks the down into key places adding more down where you need it to optimize warmth! SMALL IN YOUR PACK: not only will your back thank you for choosing premium ultralight materials, but these materials also compress smaller taking up less space in your backpack! LIMITED LIFETIME WARRANTY: Here at Outdoor Vitals we believe you should get the high quality products you deserve. After you purchase, follow the simple instructions to activate your Lifetime Warranty! Insulation: 800 fill power duck down Shell Fabric: 20D ripstop with VitalDry DWR coating Internal Fabric: 320T ripstop YKK heavy duty Zippers w/ zipper guard Hanging loops Face drawstring Shoulder baffle and drawstring Compression bag included Heavy duty SnagFree YKK zippers are of the highest standard zippers you can get! This will keep your bag&#039;s zipper working better and for longer than other bags available