Osprey Atmos AG LT 50 Pack - Men's

Color:Night Shift
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Move deftly—from backyard trail systems to the deep backcountry—with the highly capable Osprey Atmos AG LT 50 pack. Its stripped-down, simplified set of features is designed for streamlined use.

  • Features

    • Anti-Gravity (AG) suspension keeps your comfort at the forefront of the experience, seamlessly extending the tensioned back panel into the hipbelt
    • Hipbelt overlay is integrated into the frame to ensure consistent load transfer
    • Extendable, custom Fit-on-the-Fly® hipbelt offers a precise and comfortably contoured fit for varying waist sizes
    • Incremental length and angle adjustments allow for a fine-tuned fit
    • Injection-molded ladder torso adjustment system is easy to access and intuitive to use, making it simple to personalize the fit
    • Pack fabric and included raincover feature a PFC-/PFAS-free durable water repellent (DWR), which means it contains no perfluorinated chemicals or polyfluoroalkyl substances
    • Curved zip access on one side of panel
    • Floating top lid with lash points
    • Keep essentials close at hand with the fabric-reinforced front shove-it pocket, tall dual-access side water bottle pockets and dual zippered hipbelt pockets
    • Dual upper/lower side compression straps keep your load close to your body
    • Crossbody ErgoPull design pulls weight into lumbar zone when hipbelt is tightened
    • Die-cut foam lower and mesh ExoForm wrap upper enhance your carrying comfort
    • Silicone print in lumbar zone adds grip for load transfer and comfort
    • Internal hydration reservoir sleeve (reservoir not included) with center-back exit port
    • Dual ice axe loops with upper compression strap capture
    • Removable sleeping pad straps
    • 4 mm powder-coated full peripheral frame; 2-tone spacer mesh adds strength
    • Thoughtfully designed with bluesign®-approved materials and Global Recycling Standard (GRS)-certified recycled fabrics


    View the Osprey Atmos Product Line View all Osprey Backpacking Packs
  • Technical Specs

    Best Use


    Frame Type

    Internal Frame

    Gear Capacity (L)

    S/M: 50 liters

    L/XL: 53 liters

    Gear Capacity (cu. in.)

    S/M: 3,051 cubic inches

    L/XL: 3,234 cubic inches


    S/M: 4 lbs.

    L/XL: 4 lbs. 3 oz.

    Adjustable Torso Length


    Fits Torso Length (in.)

    S/M: 17-20.5 inches

    L/XL: 19.5-23 inches

    Fits Waist/Hips

    S/M: 28-50 inches

    L/XL: 30-50 inches


    210-denier high-tenacity recycled nylon

    Frame Material


    Number of Stays

    1 peripheral hoop

    Reservoir Compatible


    Suspended Mesh Back Panel


    Pack Access


    Number of Exterior Pockets

    4 + main compartment

    Sleeping Bag Compartment


    Raincover Included


    Hipbelt Pockets



    S/M: 32.68 x 13.78 x 11.81 inches

    L/XL: 34.65 x 13.78 x 11.81 inches




    Contains materials that meet the bluesign® criteria

    Contains recycled materials

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