Berghaus 5-20LTR Twentyfourseven Daysac.
This versatile TwentyFourSeven converts easily from a 5L waist pack into a lightweight 20L day sac. The bum bag has a front pocket and comfortable back panel. The bag then converts to a basic lightweight rucsac with a front pocket. The 5-20ltr is made from a strong, durable, lightweight Esdura 600 D polyester fabric and 300 D rip stop material.