Gregory Nano 18 H2O Hydration Pack - Plus Size

Color: Scuba Blue
Size: One Size
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A handy companion for a busy weekend, spontaneous hike or music festival, the plus size Gregory Nano 18 H2O hydration pack hauls all of your must-haves—and 3 liters of water—when you're out and about.

  • Features

    • Gregory Plus Size packs are designed with extended-length shoulder straps and hipbelts, plus additional fit revisions to accommodate larger body shapes and sizes
    • Plus Size fit is comparable to 2x–6x in apparel sizing, and the torso sizing remains consistent with other Gregory products
    • Included quick-drying 3D Hydro 3 L reservoir fits in a separated zippered compartment to help you stay hydrated on the move
    • Top zippered pocket with a key clip, zippered side stash pocket and side mesh water bottle pocket
    • Grooved foam back panel allows air to flow freely, keeping your back cooler
    • Padded shoulder straps with a magnetic sternum buckle and integrated hydration routing
    • Easy-pull top drawcord opening lets you quickly and conveniently access your stuff
    • Reflective attachment loops to secure water bottles and other trail accessories
    • Removable webbing hipbelt helps balance your load
    • Padded tubular webbing haul handle adds carrying comfort
    • Custom ComfortGrip molded zipper pulls
    • Designed using the Gregory Lifecycle Analysis tool and using recycled materials to provide a 40% reduction in carbon footprint compared to a conventional nylon pack


    View the Gregory Nano Product LineView all Gregory Daypacks
  • Technical Specs

    Best Use


    Frame Type


    Gear Capacity (L)

    18 liters

    Gear Capacity (cu. in.)

    1,098 cubic inches

    Reservoir Compatible


    Reservoir Included


    Liquid Capacity (L)

    3 liters

    Liquid Capacity (fl. oz.)

    101 fluid ounces


    1 lb. 2.9 oz.

    Fits Torso Length (in.)

    14-19 inches

    Fits Waist/Hips

    Up to 60 inches


    210-denier high-density nylon (40% recycled)/450-denier recycled polyester

    BPA Free


    Pack Access


    Number of Exterior Pockets

    3 + main compartment



    Bite Valve Shut-off Switch



    19.5 x 10.25 x 6.5 inches




    Contains recycled materials

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