Osprey Exos Pro 55 Pack - Men's

Color: Dale Grey/Agam Blue
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Nearly a pound lighter than the Exos 58 and featuring a more fine-tuned adjustment system, the Osprey Exos Pro 55 pack is designed to be comfortable on committing thru-hikes where every gram counts.

  • Features

    • Highly ventilated AirSpeed™ back panel supports light loads with ease while maintaining maximum airflow across your back, making it an ideal pack for long-distance endeavors
    • Tensioned mesh back panel keeps the weight off your back, enabling highly ventilated carrying comfort
    • Lightweight injection-molded ladder provides 4 in. of torso adjustability
    • EVA foam padded hipbelt offers dynamic stretch for a secure, dynamic fit; zippered hipbelt pocket provides secure storage
    • Shoulder straps combine reverse spacer mesh, die-cut EVA foam and a unique structured 3D mesh to deliver excellent support and ventilation
    • Ventilated mesh yoke evenly distributes load for comfort while maintaining breathability
    • Compression straps and a removable lid allow for functional capacity adjustment
    • Lightweight fabrics deliver durable performance
    • Sheds 2.6 oz. when the top lid is removed; integrated FlapJacket secures the main compartment opening, providing weather protection and load stability when the lid isn't used
    • Removing top lid reduces carry capacity by 9 L
    • Single compartment top lid includes a key clip
    • 4 webbing lash points on the top lid
    • Internal hydration sleeve with center-back hose port and Osprey Hydraclip for easier reservoir hanging (reservoir not included)
    • Internal compression strap keeps loads stable
    • Large front fabric compression pocket with stretch side panels accommodates overloads
    • Multiple front panel lash points for securing extra gear
    • Deep, dual-access stretch-mesh side pockets
    • Lower side compression straps are designed to capture a sleeping pad on the front panel
    • Dual ice axe loops with handle capture by the upper compression straps


    View the Osprey Exos Product LineView all Osprey Backpacking Packs
  • Technical Specs

    Best Use


    Frame Type

    Internal Frame

    Gear Capacity (L)

    S/M: 55 liters

    M/L: 58 liters

    Gear Capacity (cu. in.)

    S/M: 3,356 cubic inches

    M/L: 3,539 cubic inches


    S/M: 2 lbs. 1.2 oz.

    M/L: 2 lbs. 2.6 oz.

    Adjustable Torso Length


    Fits Torso Length (in.)

    S/M: 17-20 inches

    M/L: 19-23 inches

    Fits Waist/Hips

    S/M: 26-45 inches

    M/L: 28-50 inches


    Recycled 100-denier high-tenacity nylon ripstop (bluesign® approved)

    Frame Material

    3.5 mm powder-coated LightWire frame

    Reservoir Compatible


    Suspended Mesh Back Panel


    Pack Access


    Number of Exterior Pockets

    3 + main compartment

    Hipbelt Pockets



    S/M: 30 x 15 x 13 inches

    M/L: 32 x 15 x 13 inches




    Contains materials that meet the bluesign® criteria

    Contains recycled materials

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

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