The Rab Aeon Ultra 20 is the ideal day pack for committed mountain runs and fast hiking adventures in all weather, with enough volume for a summer bivi or bothy overnight. Built with tough, water-resistant fabric, taped seams and roll top closure, the Aeon Ultra seals out the elements, for those who get out and get it done. On-harness walking pole attachment and stretch side stash pocket enable quick access to kit for adapting to oncoming terrain or variable conditions. Hydration compatible with space for a 3L bladder with multiple harness pockets for storing snacks, gels, or flasks, you can stay refreshed without needing to stop.

　　Moving with you, the responsive and flexible Air Contour™ back system keeps the air flowing on intense ascents. Close-fitting and body contouring, the double strap harness and moulded back panel provide a comfortable, secure, bounce-free carry. Designed with a lightweight cord compression system, the Aeon Ultra keeps the contents of your pack secure. Completed with a pull forward, dual action harness cinch, the Aeon Ultra provides excellent stability at higher speeds, ideal for clocking miles over rugged ground.

　　WARNING for California customers: This product can expose you to chemicals including dimethylformamide, which is known to the State of California to cause cancer. For more information, go to oehha.ca.gov/proposition-65/about-proposition-65