REI Co-op Trail Hydro 30 L Hydration Pack - Men's

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For longer, thirstier day hikes, the men's REI Co-op Trail Hydro 30 L pack features a 3-liter reservoir and a Quickload pocket that makes it easy to load a full reservoir into a loaded pack.

  • Features

    • Hard-sided Quickload pocket eases sliding the reservoir into a full pack, and protects the reservoir from damage; pocket folds flat when not in use
    • 3-liter Hydrapak reservoir has a flexible, non-kinking, 36 in. Hydraflex™ drink tube to provide a steady flow of water
    • Made with lightweight, abrasion-resistant, BPA- and PVC-free thermoplastic urethane and RF (radio-frequency) welded seams for durability and elasticity
    • High-flow bite valve self-seals after each sip; twists on/off to prevent leaks when not in use
    • Stretch-mesh, exterior side pockets hold water bottles or anything you need to get to quickly
    • 30-liter gear capacity gives you room for the basics and quite a bit more for longer day hikes
    • Sternum strap, padded shoulder straps and hipbelt offer a comfortable carry
    • Stretch nylon hipbelt has zip pockets for small essentials
    • Soft pocket for sunglasses or phone on top of pack
    • Zippered mesh pocket with key keeper inside pack for small essentials
    • External daisy-chain attachment points let you attach trekking poles and other gear to the outside of your pack


    View the REI Co-op Trail Product LineView all REI Co-op Daypacks
  • Technical Specs

    Best Use


    Frame Type

    Internal Frame

    Gear Capacity (L)

    30 liters

    Gear Capacity (cu. in.)

    1831 cubic inches

    Reservoir Compatible


    Reservoir Included


    Bottle(s) Included


    Liquid Capacity (L)

    3 liters

    Liquid Capacity (fl. oz.)

    101 fluid ounces


    2 lbs. 1.5 oz. (not including reservoir)

    Fits Torso Length (in.)

    17-20 inches

    Fits Waist/Hips

    28-44 inches


    Nylon/recycled nylon (bluesign® approved)

    BPA Free


    Frame Material

    EVA foam

    Pack Access


    Number of Exterior Pockets

    6 + main



    Hipbelt Pockets


    Bite Valve Shut-off Switch



    20 x 12 x 8 inches




    Contains materials that meet the bluesign® criteria

    Contains recycled materials

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