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    Product Specifications


    12L Capacity


    1 Vest

    Item #


    Style #


    US sales only.

    Nathan VaporKrar 12L 2.0 Vest with Insulated Bladder

    Created in collaboration with champion ultra runner Rob Krar, the Nathan VaporKrar 12L 2.0 Vest is the new, improved version of a runner's favorite. This racing vest includes an insulated 1.6L bladder to keep your hydration colder during longer events. Front stash pockets and a zippered water-resistant chest and back pockets offer 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.

    • Comes with a 1.6L insulated 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: 30-32" chest

    Small:33-35" chest

    Medium: 36-38" chest

    Large: 39-41" chest

    XLarge: 42-44" chest

    *Measurements refer to body size, not garment size.