Nathan Pinnacle 4 L Hydration Vest

Color: Estate Blue/Ribbon Red
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No matter how far or fast you're running, the Nathan Pinnacle 4 L hydration vest keeps you going strong—it's 20% lighter and more breathable than any other Nathan vests and fits like a second skin.

  • 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; provides a body-hugging fit
    • Contoured Chimney back panel construction for maximum airflow to keep you cooler and wick moisture up and out of sweaty locations
    • 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
    • Large diagonal zipper for easy entry to back pocket to store essential gear
    • Vest shape is longer in the back for dispersed capacity, allowing for a more comfortable ride
    • 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)

    2.7 liters

    Liquid Capacity (fl. oz.)

    91.3 fluid ounces

    Number of Exterior Pockets



    With flasks: 12 oz. ; without flasks: 6.1 oz.


    86% polyester/4% spandex/8% nylon/2% rubber wire

    Fits Chest

    XS: 33-35 inches

    S: 36-38 inches

    M: 39-41 inches

    L: 42-44 inches

    XL: 45-47 inches

    BPA Free




  • Size Chart


    Sizing Notes

    Measurements are stated in inches unless otherwise indicated.

  • Reviews
    25 reviews with an average rating of 4.7 out of 5 stars

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