Ultimate Direction Mountain Vest 6.0 Hydration Vest

Color: Onyx
please select a Size
Choose a shipping method

Members get an estimated $17.00 back on this item as a part of your annual .

Members get an estimated $17.00 back on this item.
To buy,  sign in as an REI Co-op Member or join now.

With quick-adjust sternum straps for layering, versatile pockets and external compression, the Ultimate Direction Mountain Vest 6.0 hydration vest is built for your long runs in the mountains.

  • Features

    • Upgraded Comfort Cinch™ features High Molecular Weight Polyethelyne cord for extra strength and an air mesh panel to prevent chaffing
    • Waterproof main pocket with easy-access zippered clamshell opening
    • 1 waterproof shoulder stash pocket and 1 water-resistant shoulder stash pocket
    • Zippered water-resistant phone pocket at front chest
    • All pockets are accessible while the vest is being worn
    • Front buckle sternum straps with sliding rail adjustments
    • Includes 2 HydraPak 500 ml bottles
    • Large rear compartment can accommodate a 2 L reservoir (not included)
    • Comes with 4 hooks and bungee loops to attach trekking poles (not included); poles can be attached at the front or back of the vest for customizable carry options
    • Upgraded shape wraps completely around the body for a more secure, vest-like fit
    • Roomier cut in the back and spacious armholes provide a wider, taller fit for larger frames than the Ultimate Direction Mountain Vesta 6.0


    View all Ultimate Direction Running Hydration Vests
  • Technical Specs

    Best Use

    Trail Running

    Gear Capacity (L)

    13.4 liters

    Gear Capacity (cu. in.)

    817 cubic inches

    Reservoir Compatible


    Reservoir Included


    Bottle(s) Included

    2 bottles

    Liquid Capacity (L)

    1 liter

    Liquid Capacity (fl. oz.)

    33.8 fluid ounces

    Number of Exterior Pockets



    8.1 ounces


    Flex Mono mesh/MicroMono mesh/20-denier sil nylon/nylon/elastane with ripstop

    Fits Chest

    S: 23-32 inches

    M: 30-39 inches

    L: 37-46 inches



  • Reviews
    0 reviews

    Loading Reviews...
  • Questions & Answers

    Loading Questions...