The Mammut Ducan Spine 70-80L Backpack is designed for those who embark on extended hiking adventures, offering a blend of comfort, mobility, and easy access to essentials. This backpack features the innovative Mammut Active Spine 3.0 technology, which mirrors the natural movement of your spine, ensuring even weight distribution for a comfortable carry. Its ventilated back system enhances airflow, keeping you cool during long treks, while the integrated rain cover provides protection against wet conditions. With its modern and technical design, this unisex backpack makes carrying heavy loads over long distances significantly more manageable. Patented Active Spine Technology supports natural movement and weight distribution Large front zipper opening for easy access to the main compartment Rolltop closure with zipper for secure storage Elasticated chest strap ensures comfort and a snug fit Detachable rain cover for weather protection Base attachment options for additional gear Fold-out