Nathan Pinnacle 4 L Hydration Vest - Women's

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With optimal breathability, comfort, storage and easy-access soft flask hydration, the women's Nathan Pinnacle 4 L hydration vest is designed to keep you at the top of your race day game.

  • Features

    • Includes two 20 fl. oz. soft flasks, each with an extended straw tube for easy sipping without removal from the front pockets
    • Apparel-like fit provides a comfortable, bounce-free ride; women-specific design offers a body-hugging fit
    • 2 water-resistant pockets on chest accommodate soft flasks (included), nutrition, most smartphones and other small essentials
    • Side stash pockets allow easy access to your gear
    • 2 kangaroo pockets on back: 1 side-entry easy-access pocket and 1 vertical pocket for trekking poles and larger items
    • Vest shape is longer in the back for dispersed capacity, allowing for a more comfortable ride
    • Large diagonal zipper on back allows for easy entry
    • Back panels are tapered for a chimney-wicking effect, with panels built to wick moisture up and out of sweaty locations
    • Sternum straps are adjustable for personalized comfort
    • Reflective details help you to be seen in low-light conditions


    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

    2 bottles

    Liquid Capacity (L)

    1.2 liters

    Liquid Capacity (fl. oz.)

    40 fluid ounces

    Number of Exterior Pockets



    5 ounces


    85% polyester/8% nylon/5% spandex/2% rubber wire

    Fits Chest

    XXS: 28-30.5 inches

    XS: 31-32.5 inches

    S: 33-34.5 inches

    M: 35-36.5 inches

    L: 37-38.5 inches

    XL: 39-40.5 inches

    BPA Free



    16 x 16 x 4 inches



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