Nathan Zelos 2L Hydration Vest - Men's

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The high-capacity, ultralight Nathan Zelos 2L Hydration Vest sports an18 fl. oz. flask in the front pocket that provides extra fluid capacity for those thirsty for more water and longer adventures.

  • Features

    • 18 fl. oz. SpeedDraw Flask in right pocket
    • 2 front bottle pockets and 1 front zippered, smartphone-compatible pocket; stash pocket over the left front pocket fits several gels; pill pocket for electrolyte tabs
    • Rear external shockcord and gusseted stretch mesh rear pocket for increased capacity
    • 3-way Propulsion Harness™ stabilizes side-to-side and up-down movement of the 2-liter bladder and other contents for a bounce-free ride
    • Wall mesh shoulder straps are highly breathable; perforated back panel for breathability and weight reduction
    • The Nathan Zelos 2L Hydration Vest features an internal stash pocket, key clip, full side adjustability and reflective trim


    View all Nathan Running Hydration Vests
  • Technical Specs

    Best Use


    Gear Capacity (L)

    8.7 liters

    Gear Capacity (cu. in.)

    531 cubic inches

    Liquid Capacity (L)

    2 liters

    Liquid Capacity (fl. oz.)


    Number of Exterior Pockets

    5 + main compartment


    1 lb. 2 oz.


    Synthetic mesh

    Fits Chest

    26 - 55 inches

    BPA Free



    Unavailable inches



    Frame Type


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