Osprey Seral 7 Hydration Waist Pack

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Color: Postal Blue
Size: One Size
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With its slim design, next-gen reservoir and ample storage, the Osprey Seral 7 waist pack is for riders looking to hit the trail with low-profile hydration while keeping their repair kit handy.

  • Features

    • PFAS-free durable water repellent (DWR) finish
    • Includes an Osprey Hydraulics 1.5-liter lumbar reservoir with a strong, magnetic hipbelt bite valve attachment
    • Large zippered main compartment with internal reservoir sleeve
    • 1 easy-access zippered front pocket with internal tool organization; 2 zippered hipbelt pockets
    • AirScape back panel with lumbar-contouring compression straps that pull the pack into your lower back and wrap around your hips for stability even over technical terrain
    • Blinker light attachment with reflective graphic (light not included)


    View all Osprey Cycling Hydration Waistpacks
  • Technical Specs

    Best Use

    Mountain Biking

    Gear Capacity (L)

    7 liters

    Gear Capacity (cu. in.)

    427 cubic inches

    Reservoir Compatible


    Reservoir Included


    Bottle(s) Included


    Liquid Capacity (fl. oz.)

    50.7 fluid ounce

    Liquid Capacity (L)

    1.5 liters



    Fits Waist/Hips

    26-50 inches


    600-denier recycled PET packcloth (bluesign®-approved)

    Number of Exterior Pockets

    3 + main compartment

    Pack Access


    BPA Free





    Contains materials that meet the bluesign® criteria

    Contains recycled materials

  • Reviews
    1 reviews with an average rating of 5.0 out of 5 stars

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