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Internal Frame Backpacks

(232 products)
Products (232)
Remove frame-type filter:Internal Frame
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    Top Rated

    MYSTERY RANCHRadix 57 Pack - Men's

    $299.00
    15 reviews with an average rating of 4.7 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    59.6 liters
    Weight:
    3.83 lbs
    Features:
    Reservoir Compatible

    Hyperlite Mountain GearSouthwest 70 Pack

    $425.00
    17 reviews with an average rating of 4.4 out of 5 stars
    Trip Length/Capacity:
    Extended, Multiday
    Gear Capacity:
    70 liters
    Weight:
    2.46 lbs
    Features:
    Ultralight
    Reservoir Compatible
    Top Rated

    MatadorBeast 28 Technical Pack

    $150.00
    18 reviews with an average rating of 4.6 out of 5 stars
    Gear Capacity:
    28 liters
    Weight:
    1.5 lbs
    Features:
    Reservoir Compatible

    OspreyAether Pro 75 Pack - Men's

    $400.00
    2 reviews with an average rating of 5.0 out of 5 stars
    Trip Length/Capacity:
    Extended, Multiday
    Gear Capacity:
    75 liters
    Weight:
    4.86 to 4.97 lbs
    Features:
    Reservoir Compatible
    Top Rated

    OspreyAether Plus 60 Pack - Men's

    $292.73
    Save 24%
    compared to  $390.00
    13 reviews with an average rating of 4.7 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    58 to 60 liters
    Weight:
    5.66 to 5.94 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET

    GregoryKalmia 50 Pack - Women's

    $186.73
    Save 35%
    compared to  $289.95
    5 reviews with an average rating of 4.4 out of 5 stars
    Trip Length/Capacity:
    Weekend, Multiday
    Gear Capacity:
    45 to 50 liters
    Weight:
    4.3 to 4.37 lbs
    Features:
    Reservoir Compatible
    REI OUTLET

    OspreyEja 48 Pack - Women's

    $179.73
    Save 25%
    compared to  $240.00
    5 reviews with an average rating of 4.2 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    45 to 48 liters
    Weight:
    2.67 to 2.76 lbs
    Features:
    Reservoir Compatible
    REI OUTLET

    GregoryParagon 48 Pack - Men's

    $169.73
    Save 26%
    compared to  $229.95
    0 reviews
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    48 liters
    Weight:
    3.5 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET

    GregoryKalmia 60 Pack - Women's

    $231.73
    Save 25%
    compared to  $309.95
    0 reviews
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    55 to 60 liters
    Weight:
    4.41 to 4.48 lbs
    Features:
    Reservoir Compatible
    REI OUTLET

    OspreyVolt 65 Extended Fit Pack - Men's

    $164.73
    Save 25%
    compared to  $220.00
    0 reviews
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    65 liters
    Weight:
    4.5 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET

    MammutDucan Spine 28-35 Pack

    $168.73
    Save 24%
    compared to  $224.95
    4 reviews with an average rating of 4.3 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    35 liters
    Weight:
    3.09 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET

    OspreySirrus 36 Pack - Women's

    $164.73
    Save 25%
    compared to  $220.00
    3 reviews with an average rating of 3.7 out of 5 stars
    Gear Capacity:
    36 liters
    Weight:
    3.15 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET

    Big AgnesGarnet 60 L Pack - Women's

    $178.73
    Save 40%
    compared to  $299.95
    0 reviews
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    67 liters
    Weight:
    3.57 lbs
    Features:
    Reservoir Compatible
    REI OUTLET

    OspreyViva 65 Extended Fit Pack - Women's

    $164.73
    Save 25%
    compared to  $220.00
    0 reviews
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    65 liters
    Weight:
    4.2 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET

    MammutDucan 24 Pack - Women's

    $119.73
    Save 25%
    compared to  $159.95
    0 reviews
    Gear Capacity:
    24 liters
    Weight:
    1.87 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET

    MammutDucan 24 Pack - Women's

    $119.73
    Save 25%
    compared to  $159.95
    2 reviews with an average rating of 5.0 out of 5 stars
    Gear Capacity:
    24 liters
    Weight:
    1.87 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET

    OspreyAether 55 Pack - Men's

    $224.73
    Save 25%
    compared to  $300.00
    28 reviews with an average rating of 4.4 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    55 liters
    Weight:
    5.03 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    Top Rated

    GregoryAmber 44 Pack - Women's Plus Size

    $128.73
    Save 35%
    compared to  $199.95
    44 reviews with an average rating of 4.7 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    44 liters
    Weight:
    2.93 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    Top Rated

    GregoryStout 60 Pack - Men's

    $163.73
    Save 25%
    compared to  $219.95
    16 reviews with an average rating of 4.8 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    60 liters
    Weight:
    3.55 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    Top Rated

    MammutPro Protection Airbag 3.0 Pack

    $799.95
    35 reviews with an average rating of 4.7 out of 5 stars
    Gear Capacity:
    35 liters
    Weight:
    6.42 lbs
    Features:
    Avalanche Airbag
    Reservoir Compatible

    MammutPro 45 Removable Airbag 3.0 Avalanche Airbag Pack

    $799.95
    0 reviews
    Gear Capacity:
    45 liters
    Weight:
    5.81 lbs
    Features:
    Avalanche Airbag
    Reservoir Compatible

    Big AgnesSun Dog 45 L Pack - Women's

    $159.73
    Save 30%
    compared to  $229.95
    1 reviews with an average rating of 5.0 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    45 liters
    Weight:
    2.82 lbs
    Features:
    Reservoir Compatible
    REI OUTLET

    DeuterAircontact Ultra 50+5 Pack - Men's

    $186.93
    Save 25%
    compared to  $250.00
    3 reviews with an average rating of 5.0 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    55 liters
    Weight:
    2.69 lbs
    Features:
    Ultralight
    Reservoir Compatible

    Backcountry AccessFloat E2-35 Avalanche Airbag Pack

    $974.93
    Save 25%
    compared to  $1,299.95
    1 reviews with an average rating of 4.0 out of 5 stars
    Gear Capacity:
    31 liters
    Weight:
    6.16 lbs
    Features:
    Avalanche Airbag
    Reservoir Compatible
    Top Rated

    Mountain HardwearPCT 50 L Pack - Women's

    $209.93
    Save 25%
    compared to  $280.00
    8 reviews with an average rating of 4.5 out of 5 stars
    Trip Length/Capacity:
    Weekend, Multiday
    Gear Capacity:
    50 liters
    Weight:
    4.11 lbs
    Features:
    Reservoir Compatible

    OspreyTempest 20 Pack - Women's

    $119.93
    Save 25%
    compared to  $160.00
    138 reviews with an average rating of 4.1 out of 5 stars
    Gear Capacity:
    20 liters
    Weight:
    1.91 lbs
    Features:
    Reservoir Compatible
    Top Rated

    GregoryJuno 24 H2O Hydration Pack - Women's

    $169.95
    75 reviews with an average rating of 4.5 out of 5 stars
    Gear Capacity:
    24 liters
    Liquid Capacity:
    3 liters
    Weight:
    1.93 lbs
    Features:
    Hipbelt Pockets

    Black DiamondJetForce Pro Split 25L Avalanche Airbag Pack

    $1,499.95
    14 reviews with an average rating of 3.4 out of 5 stars
    Gear Capacity:
    25 liters
    Weight:
    6.62 to 6.87 lbs
    Features:
    Avalanche Airbag
    Reservoir Compatible
    Top Rated

    GregoryKatmai 65 Pack - Men's Plus Sizes

    $231.73
    Save 25%
    compared to  $309.95
    15 reviews with an average rating of 4.9 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    60 liters
    Weight:
    5 lbs
    Features:
    Reservoir Compatible
    REI OUTLET

    OspreySirrus 44 Pack - Women's

    $172.73
    Save 24%
    compared to  $230.00
    3 reviews with an average rating of 4.7 out of 5 stars
    Gear Capacity:
    44 liters
    Weight:
    3.52 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
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