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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.