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Thunder 50

Thunder 50

Regular price $299.95
Regular price Sale price $299.95
Sale Out of stock
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    50 L


    53.6 oz


    29.5 x 13 x 9.8 in

    Fits Torso


    Back Length Range

    14.2 - 20.9 in

    Hipbelt Range

    30 - 53 in

    Load Limit

    52.9 lbs





    Recycled 210 D robic HD ripstop nylon carbonate, PU coated, 1500 mm water column, OEKO-TEX® 100 certified, PFC free

    Pack suspension

    6061-T6 aluminum stay


    PFC free product label  

    OEKO-TEX® Certified Material

    This product uses OEKO-TEX® STANDARD 100 materials or dyes. See MATERIALS tab for details.

    Learn more at >


    Recycled Materials

    More and more EXPED products are being made from recycled materials such as PET bottles and waste from the production of textiles.



    This product is free of per- and poly-fluorinated compounds, a group of non-degradable, man-made chemicals commonly used as dirt and water repellants.


    Shipping & returns

    Orders are shipped from our warehouse Monday through Friday (except holidays) within 2 business days. ships to addresses in the United States, APO/FPO and U.S. Territories only. If shipping to a military or U.S. Territory address, please select USPS Priority Mail at checkout. 

    Orders shipping via UPS Ground will arrive in 8-10 days, UPS 2-Day in 4-6 days, and UPS Next Day Air in 2-3 days. USPS shipments may take 8-10 days for delivery. These shipping rates include order processing time.

    Orders are eligible for return within 60 days.

    If you do not receive your package in the above time period, please contact us at with your Order Number. 

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    Product Description

    Thunder 50 is a versatile trekking backpack with excellent load transfer. In relation to the volume and features, it is super light and perfect for multi-day touring or trekking.

    The three access options to the main compartment make it extremely versatile in packing and handling. Both laterally and through the top and front loader openings, gear is always quickly at hand. A large stretch outer pocket on the front and two side pockets provide additional storage space. The height-adjustable lid allows the main compartment to be adjusted as needed. Further attachment options are created by the functional compression straps on the sides, which can also be deployed on the front of the pack.

    The sophisticated comfort carrying system with minimal contact points and aluminum stays is height adjustable can be easily adapted to your back length and guarantees a perfect fit with high freedom of movement. A padded hip belt provides additional carrying comfort. The durable, water-repellent recycled and PFC-free fabric protects contents from the elements.

    • Sophisticated suspension system

      Sophisticated suspension system with easy length adjustment & minimal back contact points for good ventilation.

    • Multiple pockets

      Durable mesh stretch pockets on front, sides & hip belt.

    • Compression straps

      Compression straps for both side & front compression use.

    • Versatile main compartment access

      Access inside of the pack from the top, front, and sides. Also features floating lid with dual compartments.

    • Tough outer fabric

      Highly water & abrasion resistant nylon fabric stands up to a wide range of environments & conditions.

    • Hydration system compatible

      Hydration tube outlet for hydration reservoirs.

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    In-House Gear Repair Services

    Our goal is to keep gear out of the landfill by doing repairs whenever possible. Learn more about how to submit a warranty or repair claim.

    Submit a repair request