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    Product Specifications


    4L Capacity


    1 vest

    Item #


    Style #


    US sales only.

    Nathan VaporHowe 4L 2.0 Vest

    Created in collaboration with elite endurance runner Stephanie Howe, the Nathan VaporHowe 4L 2.0 Vest is the new, improved version of a runner's favorite. This racing vest features compatibility for a 4L insulated bladder to keep your hydration colder during longer events. Front stash pockets and a zippered water-resistant chest pocket offers security for on-the-go nutrition, a smartphones, and other essentials. A back kangaroo pocket is perfect for storing extra flasks, clothing items, or other small necessities. The internal CompressionFit system tightens the vest against the back for enhanced stability.

    • Features a fit designed for women.
    • Capatible with a 1.5L bladder.
    • Reflectivity provides enhanced visibility.
    • Features two easy-access front bottle pockets.
    • Features a shoulder pill pocket and safety whistle.
    • Apparel-like fit with a lightweight, breathable structure.


    X-Small: 28-29" chest

    Small:30-31" chest

    Medium: 32-33" chest

    Large: 34-35" chest

    XLarge: 34-35" chest

    *Measurements refer to body size, not garment size.