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Internal Frame Backpacks

(245 products)
Products (245)
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    REI Co-opTraverse 60 Pack - Women's
    $249.00
    4 reviews with an average rating of 4.0 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
    OspreyAtmos AG 50 Pack - Men's
    $315.00
    36 reviews with an average rating of 4.6 out of 5 stars
    Trip Length/Capacity:
    Weekend, Multiday
    Gear Capacity:
    50 to 53 liters
    Weight:
    4.32 to 4.51 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    Top Rated
    GregoryBaltoro 75 Pack - Men's
    $379.95
    105 reviews with an average rating of 4.7 out of 5 stars
    Trip Length/Capacity:
    Extended, Multiday
    Gear Capacity:
    70 to 80 liters
    Weight:
    4.8 to 5.4 lbs
    Features:
    Reservoir Compatible
    MammutDucan Spine 28-35 Pack
    $168.73
    Save 24%
    compared to  $224.95
    5 reviews with an average rating of 4.2 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    35 liters
    Weight:
    3.09 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    Top Rated
    GregoryKatmai 55 Pack - Men's
    $217.73
    Save 24%
    compared to  $289.95
    11 reviews with an average rating of 4.9 out of 5 stars
    Trip Length/Capacity:
    Weekend, Multiday
    Gear Capacity:
    50 liters
    Weight:
    4.48 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
    REI Co-opFlash Air 50 Pack - Men's
    $299.00
    35 reviews with an average rating of 3.9 out of 5 stars
    Trip Length/Capacity:
    Weekend, Multiday
    Gear Capacity:
    49 to 51 liters
    Weight:
    1.81 to 1.94 lbs
    Features:
    Ultralight
    Reservoir Compatible
    OspreyEja 48 Pack - Women's
    $240.00
    11 reviews with an average rating of 3.3 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    45 to 48 liters
    Weight:
    2.67 to 2.76 lbs
    Features:
    Reservoir Compatible
    Top Rated
    MatadorBeast 28 Technical Pack
    $150.00
    19 reviews with an average rating of 4.6 out of 5 stars
    Gear Capacity:
    28 liters
    Weight:
    1.5 lbs
    Features:
    Reservoir Compatible
    MammutDucan Spine 28-35 Pack - Women's
    $145.73
    Save 35%
    compared to  $224.95
    5 reviews with an average rating of 3.6 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    35 liters
    Weight:
    3.09 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    OspreyAether 55 Pack - Men's
    $300.00
    45 reviews with an average rating of 4.3 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    55 to 58 liters
    Weight:
    5.03 to 5.06 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI Co-opFlash Air 50 Pack - Women's
    $299.00
    23 reviews with an average rating of 3.9 out of 5 stars
    Trip Length/Capacity:
    Weekend, Multiday
    Gear Capacity:
    49 to 51 liters
    Weight:
    1.75 to 1.87 lbs
    Features:
    Ultralight
    Reservoir Compatible
    GregoryMaven 58 Pack - Women's
    $299.95
    1 reviews with an average rating of 5.0 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    54 to 58 liters
    Weight:
    3.4 to 3.51 lbs
    Features:
    Reservoir Compatible
    GregoryBaltoro 65 Pack - Men's
    $349.95
    76 reviews with an average rating of 4.2 out of 5 stars
    Trip Length/Capacity:
    Multiday, Extended
    Gear Capacity:
    60 to 70 liters
    Weight:
    4.72 to 5.25 lbs
    Features:
    Reservoir Compatible
    Top Rated
    OspreyAriel 55 Pack - Women's
    $300.00
    21 reviews with an average rating of 4.6 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    52 to 55 liters
    Weight:
    4.77 to 4.82 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    ALPS MountaineeringHydro Trail 17 Hydration Pack
    $119.73
    Save 25%
    compared to  $159.99
    0 reviews
    Gear Capacity:
    17 liters
    Liquid Capacity:
    3 liters
    Weight:
    2.13 lbs
    Features:
    Raincover Included
    REI OUTLET
    Top Rated
    OspreyAether Plus 70 Pack - Men's
    $410.00
    24 reviews with an average rating of 4.7 out of 5 stars
    Trip Length/Capacity:
    Multiday, Extended
    Gear Capacity:
    68 to 70 liters
    Weight:
    5.61 to 6.17 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    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
    Top Rated
    GregoryKalmia 60 Pack - Women's Plus Sizes
    $199.73
    Save 35%
    compared to  $309.95
    30 reviews with an average rating of 4.9 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    55 to 60 liters
    Weight:
    4.7 to 4.78 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
    Top Rated
    OspreyAether Plus 100 Pack - Men's
    $450.00
    12 reviews with an average rating of 4.7 out of 5 stars
    Trip Length/Capacity:
    Extended
    Gear Capacity:
    98 to 100 liters
    Weight:
    6.39 to 6.69 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    ALPS MountaineeringHydro Trail 15 Hydration Pack
    $104.73
    Save 25%
    compared to  $139.99
    0 reviews
    Gear Capacity:
    15 liters
    Liquid Capacity:
    3 liters
    Weight:
    2.25 lbs
    Features:
    Raincover Included
    REI OUTLET
    GregoryFocal 58 Pack - Men's
    $269.95
    25 reviews with an average rating of 4.5 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    54 to 62 liters
    Weight:
    2.58 to 2.8 lbs
    Features:
    Ultralight
    Reservoir Compatible
    DeuterAC Lite 24 Pack - Men's
    $110.00
    0 reviews
    Gear Capacity:
    24 liters
    Weight:
    2.13 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    Top Rated
    GregoryDeva 70 Pack - Women's
    $379.95
    34 reviews with an average rating of 4.9 out of 5 stars
    Trip Length/Capacity:
    Multiday, Extended
    Gear Capacity:
    65 to 75 liters
    Weight:
    4.7 to 5.1 lbs
    Features:
    Reservoir Compatible
    UltrAspireEpic XT 3.0 Running Hydration Pack
    $148.73
    Save 40%
    compared to  $249.95
    1 reviews with an average rating of 5.0 out of 5 stars
    Gear Capacity:
    35 liters
    Weight:
    2 lbs
    Features:
    Hipbelt Pockets
    REI OUTLET
    OspreyAura AG 50 Pack - Women's
    $315.00
    21 reviews with an average rating of 3.9 out of 5 stars
    Trip Length/Capacity:
    Weekend, Multiday
    Gear Capacity:
    47 to 50 liters
    Weight:
    4.16 to 4.29 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    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
    OspreyAura LT 65 Pack - Women's
    $290.00
    9 reviews with an average rating of 3.6 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    63 to 65 liters
    Weight:
    3.84 to 4.01 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    OspreyRaptor Pro 18 Hydration Pack - Men's
    $209.73
    Save 25%
    compared to  $280.00
    0 reviews
    Gear Capacity:
    18 liters
    Liquid Capacity:
    2.5 liters
    Weight:
    3.31 lbs
    Features:
    Hipbelt Pockets
    REI OUTLET
    OspreyMetron Airspeed 34 Pack
    $210.00
    2 reviews with an average rating of 5.0 out of 5 stars
    Gear Capacity:
    34 liters
    Weight:
    3.34 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    Top Rated
    Black DiamondBeta Light 45 Pack
    $429.95
    5 reviews with an average rating of 5.0 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    45 liters
    Weight:
    1.98 to 2.09 lbs
    Features:
    Ultralight
    Reservoir Compatible
61–90 of 245 products
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