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Internal Frame Backpacks

(265 products)
Products (265)
Remove frame-type filter:Internal Frame
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    Top Rated
    OspreyAether 65 Pack - Men's
    $345.00
    96 reviews with an average rating of 4.6 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    65 to 68 liters
    Weight:
    4.92 to 4.96 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI Co-opTraverse 35 Pack - Women's
    $169.00
    5 reviews with an average rating of 4.4 out of 5 stars
    Gear Capacity:
    35 liters
    Weight:
    3.19 to 3.44 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    Top Rated
    OspreyMira 22 Hydration Pack - Women's
    $200.00
    12 reviews with an average rating of 4.7 out of 5 stars
    Gear Capacity:
    22 liters
    Liquid Capacity:
    2.5 liters
    Weight:
    3.24 lbs
    Features:
    Hipbelt Pockets
    Raincover Included
    OspreyRook 65 Pack - Men's
    $200.00
    17 reviews with an average rating of 4.2 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    65 liters
    Weight:
    3.7 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    ALPS MountaineeringCaldera 75 Pack
    $187.73
    Save 24%
    compared to  $249.99
    1 reviews with an average rating of 2.0 out of 5 stars
    Trip Length/Capacity:
    Extended, Multiday
    Gear Capacity:
    75 liters
    Weight:
    5.69 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    ALPS MountaineeringExpedition 50 Pack
    $187.73
    Save 24%
    compared to  $249.99
    0 reviews
    Trip Length/Capacity:
    Weekend, Multiday
    Gear Capacity:
    50 liters
    Weight:
    4.63 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    MatadorBeast 18 Technical Pack
    $140.00
    17 reviews with an average rating of 4.5 out of 5 stars
    Gear Capacity:
    18 liters
    Weight:
    1.31 lbs
    Features:
    Reservoir Compatible
    OspreyExos 58 Pack - Men's
    $280.00
    79 reviews with an average rating of 4.1 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    58 to 61 liters
    Weight:
    2.84 to 2.94 lbs
    Features:
    Reservoir Compatible
    Hyperlite Mountain GearSouthwest 55 Pack
    $399.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    55 liters
    Weight:
    1.86 to 2.04 lbs
    Features:
    Ultralight
    Reservoir Compatible
    Top Rated
    DeuterSpeed Lite 21 Pack
    $80.00
    16 reviews with an average rating of 4.8 out of 5 stars
    Gear Capacity:
    21 liters
    Weight:
    1.04 lbs
    Features:
    Reservoir Compatible
    GregorySula 16 H20 Hydration Pack - Women's
    $112.73
    Save 24%
    compared to  $149.95
    0 reviews
    Gear Capacity:
    16 liters
    Liquid Capacity:
    3 liters
    Weight:
    1.74 lbs
    Features:
    Hipbelt Pockets
    REI OUTLET
    OspreyUNLTD AirScape 68 Pack - Women's
    $524.73
    Save 25%
    compared to  $700.00
    3 reviews with an average rating of 5.0 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    64 to 68 liters
    Weight:
    5.82 to 6.01 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    Top Rated
    OspreyKyte 48 Pack - Women's
    $230.00
    18 reviews with an average rating of 4.5 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    46 to 48 liters
    Weight:
    4 to 4.25 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    OspreyRook 50 Pack - Men's
    $190.00
    17 reviews with an average rating of 4.4 out of 5 stars
    Trip Length/Capacity:
    Weekend, Multiday
    Gear Capacity:
    50 liters
    Weight:
    3.6 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI Co-opTraverse 60 Pack - Women's
    $269.00
    11 reviews with an average rating of 4.3 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    60 to 62 liters
    Weight:
    4.31 to 4.75 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    Top Rated
    MYSTERY RANCHScree 33 Pack - Women's
    $191.93
    Save 30%
    compared to  $275.00
    20 reviews with an average rating of 5.0 out of 5 stars
    Gear Capacity:
    32.8 liters
    Weight:
    3.27 lbs
    Features:
    Reservoir Compatible
    MYSTERY RANCHRadix 57 Pack - Women's
    $208.93
    Save 30%
    compared to  $299.00
    2 reviews with an average rating of 4.5 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    59.6 liters
    Weight:
    3.83 lbs
    Features:
    Reservoir Compatible
    OspreyManta 24 Hydration Pack - Men's
    $200.00
    27 reviews with an average rating of 4.3 out of 5 stars
    Gear Capacity:
    24 liters
    Liquid Capacity:
    2.5 liters
    Weight:
    3.33 lbs
    Features:
    Hipbelt Pockets
    Raincover Included
    MammutDucan Spine 50-60 Pack - Women's
    $167.73
    Save 35%
    compared to  $259.95
    2 reviews with an average rating of 3.5 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    60 liters
    Weight:
    3.11 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    Hyperlite Mountain GearUnbound 40 Pack
    $369.00 - $389.00
    0 reviews
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    40 liters
    Weight:
    1.92 to 2.05 lbs
    Features:
    Ultralight
    DeuterFutura Pro Jaypack 36 Pack - Men's
    $224.93
    Save 25%
    compared to  $300.00
    6 reviews with an average rating of 4.3 out of 5 stars
    Gear Capacity:
    36 liters
    Weight:
    5.12 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    GregorySula 8 H20 Hydration Pack - Women's
    $104.73
    Save 25%
    compared to  $139.95
    3 reviews with an average rating of 4.7 out of 5 stars
    Gear Capacity:
    8 liters
    Liquid Capacity:
    3 liters
    Weight:
    1.7 lbs
    Features:
    Hipbelt Pockets
    REI OUTLET
    OspreyRenn 50 Pack - Women's
    $190.00
    2 reviews with an average rating of 5.0 out of 5 stars
    Trip Length/Capacity:
    Weekend, Multiday
    Gear Capacity:
    50 liters
    Weight:
    3.5 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    Top Rated
    DeuterSpeed Lite Pro 23 SL Pack - Women's
    $130.00
    14 reviews with an average rating of 4.6 out of 5 stars
    Gear Capacity:
    23 liters
    Weight:
    1.05 lbs
    Features:
    Reservoir Compatible
    ALPS MountaineeringNomad RT 75 Pack
    $209.73
    Save 25%
    compared to  $279.99
    0 reviews
    Trip Length/Capacity:
    Extended
    Gear Capacity:
    85 liters
    Weight:
    5.56 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    GregoryFacet 45 Pack - Women's
    $249.95
    12 reviews with an average rating of 4.4 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    42 to 48 liters
    Weight:
    2.38 to 2.62 lbs
    Features:
    Ultralight
    Reservoir Compatible
    Top Rated
    MYSTERY RANCHRadix 31 Pack - Men's
    $152.93
    Save 30%
    compared to  $219.00
    8 reviews with an average rating of 4.8 out of 5 stars
    Gear Capacity:
    28.8 liters
    Weight:
    3.11 lbs
    Features:
    Reservoir Compatible
    Top Rated
    Black DiamondBeta Light 45 Pack
    $429.95
    9 reviews with an average rating of 4.7 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    45 liters
    Weight:
    1.98 to 2.09 lbs
    Features:
    Ultralight
    Reservoir Compatible
    Top Rated
    OspreyKestrel 38 Pack - Men's
    $210.00
    27 reviews with an average rating of 4.8 out of 5 stars
    Gear Capacity:
    36 to 38 liters
    Weight:
    4.07 to 4.24 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    DeuterAircontact Core 45 + 10 SL Pack - Women's
    $240.00
    26 reviews with an average rating of 4.4 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    55 liters
    Weight:
    4.31 lbs
    Features:
    Reservoir Compatible
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