Ultimate Direction FKT Vest Pack

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Keeping it fast and light while carrying everything you need for a fast hike or ultra trail run, the Ultimate Direction FKT hydration vest is ideal for limit-pushing, off-grid adventures.

  • Features

    • Roll-top closure expands or contracts to accommodate varying amounts of gear
    • External elastic cording lets you secure extra gear or quickly stash your jacket or gloves
    • Single large stretch pocket holds larger items
    • Large external stretch mesh pockets offer quick access to essentials
    • Large front storage for water, phone, maps, glasses or food
    • Easy-access pocket with key fob
    • T-hook fit system makes it easy to adjust for torso length and width
    • 2 T-hook sternum straps offer adjustable support
    • T-hook waistbelt is adjustable for an optimal fit
    • MonoRip mesh is strong and extremely breathable
    • Includes 1 Flexform II 500 bottle (16.9 fl. oz.) that's made of pliable plastic and ergonomically shaped to be comfortable in your hand or against your body
    • Bottle has a push/pull bite valve and larger-diameter cap for filling drink mixes and cleaning


    View all Ultimate Direction Hiking Hydration Backpacks
  • Technical Specs

    Best Use


    Trail Running


    Gear Capacity (L)

    18 liters

    Gear Capacity (cu. in.)

    1,098 cubic inches

    Reservoir Compatible


    Reservoir Included


    Bottle(s) Included

    1 bottle

    Liquid Capacity (L)

    0.5 liters

    Liquid Capacity (fl. oz.)

    16.9 fluid ounces

    Number of Exterior Pockets



    12.2 ounces


    MonoRip mesh/nylon

    Fits Chest

    M/L: 30-48 inches

    S/M: 25-40 inches



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