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Whether you run-commute to work or want a little extra gear capacity (more than 20 liters, in fact) for long adventures in the mountains, the Ultimate Direction Fastpack 15 has you covered.

  • Features

    • Large stretch-mesh pockets on the back of the pack add an extra 6 liters of volume to stow extra layers or a spare pair of shoes
    • Main compartment combines a roll-top closure with a nearly full-length zipper that provides unfettered access to your gear
    • Roll-top closure expands or contracts to secure a range of load volumes
    • Front of the shoulder harness has 3 zippered pockets, plus a holster that can accommodate a water bottle or collapsible soft flask (sold separately)
    • Sliding rails let you align the sternum straps at whatever height you find most comfortable for a customized fit
    • Designated no-bounce laptop pocket also has space to securely store the power cord
    • MonoRip mesh is strong and extremely breathable


    View all Ultimate Direction Daypacks
  • Technical Specs

    Best Use


    Trail Running

    Frame Type


    Gear Capacity (L)

    21 liters

    Gear Capacity (cu. in.)

    1281 cubic inches


    1 lb. 1.5 oz.



    Ripstop nylon

    Reservoir Compatible



    18.5 x 10.2 x 7.5 inches



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