Nathan Vapor Air Lite 4 L Hydration Vest

Color:Marine Blue/vapor Grey
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Designed and body-mapped for a comfortable fit, the Nathan Vapor Air Lite 4 L hydration vest has an adjustable fit system for personalization that feels custom tailored just for you.

  • Features

    • Fast and easy "set it and perfect it" adjustable fit system uses lower-lumbar hook-and-loop panels that allow you to set the back panel to your shape
    • This provides a tailored, body-mapped fit for all body types, allowing you to carry essentials for trail running with a bounce-free ride
    • 2 adjustment points allow you to quickly alter the waist and torso separately for a fit that is comfortable and customized to your specific shape
    • Breathable, chafe-free materials provide maximum comfort
    • Included 1.5-liter reservoir is designed to reduce sloshing
    • Front pockets fit bottles and flasks up to 22 fl. oz. (not included)
    • Back kangaroo pocket is easy to access on the go; it's ideal for stashing flasks, layers and other essentials
    • Large main back storage compartment
    • Storage pockets on the front accommodate nutrition and other essentials
    • 360° reflective details help you stay visible in low light


    View all Nathan Running Hydration Vests
  • Technical Specs

    Best Use


    Gear Capacity (L)

    4 liters

    Gear Capacity (cu. in.)

    244 cubic inches

    Reservoir Compatible


    Reservoir Included


    Bottle(s) Included


    Liquid Capacity (L)

    1.5 liters

    Liquid Capacity (fl. oz.)

    50.7 fluid ounces

    Number of Exterior Pockets

    5 + main reservoir compartment


    11.5 ounces



    Bite Valve Shut-off Switch


    Fits Chest

    XS-M: 30-38 inches

    L-XXXL: 38-48 inches

    BPA Free






  • Reviews
    11 reviews with an average rating of 3.9 out of 5 stars

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