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Internal Frame Backpacking Packs

(130 products)
Products (130)
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    REI Co-opFlash 55 Pack - Men's

    $199.00
    67 reviews with an average rating of 4.2 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    53 to 57 liters
    Weight:
    2.75 to 2.87 lbs
    Features:
    Ultralight
    Reservoir Compatible

    OspreyViva 65 Pack - Women's

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

    OspreyAriel 55 Pack - Women's

    $300.00
    20 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

    REI Co-opTrailmade 60 Pack - Men's

    $179.00
    3 reviews with an average rating of 5.0 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    60 liters
    Weight:
    3.38 to 3.69 lbs
    Features:
    Reservoir Compatible

    REI Co-opFlash 55 Pack - Women's

    $199.00
    66 reviews with an average rating of 4.2 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    53 to 57 liters
    Weight:
    2.62 to 2.75 lbs
    Features:
    Ultralight
    Reservoir Compatible

    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

    OspreyRook 50 Pack - Men's

    $180.00
    10 reviews with an average rating of 4.3 out of 5 stars
    Trip Length/Capacity:
    Weekend, Multiday
    Gear Capacity:
    50 liters
    Weight:
    3.6 lbs
    Features:
    Reservoir Compatible
    Raincover Included

    OspreyAtmos AG 65 Pack - Men's

    $340.00
    106 reviews with an average rating of 4.4 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    65 to 68 liters
    Weight:
    4.61 to 4.81 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    New arrival

    OspreyAce 50 Pack - Kids'

    $142.73
    Save 24%
    compared to  $190.00
    0 reviews
    Trip Length/Capacity:
    Weekend, Multiday
    Gear Capacity:
    50 liters
    Weight:
    3.7 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    Top Rated

    REI Co-opTarn 40 Pack - Kids'

    $119.00
    6 reviews with an average rating of 5.0 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    40 liters
    Weight:
    2.44 lbs
    Features:
    Reservoir Compatible

    OspreyRook 65 Pack - Men's

    $190.00
    11 reviews with an average rating of 3.9 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    65 liters
    Weight:
    3.7 to 3.9 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    Top Rated

    OspreyAtmos AG 50 Pack - Men's

    $315.00
    35 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

    REI Co-opTraverse 60 Pack - Women's

    $249.00
    3 reviews with an average rating of 4.7 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

    OspreyEja 58 Pack - Women's

    $260.00
    51 reviews with an average rating of 4.4 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    55 to 58 liters
    Weight:
    2.72 to 2.82 lbs
    Features:
    Reservoir Compatible

    OspreyExos 58 Pack - Men's

    $260.00
    63 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

    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
    Top Rated

    GregoryBaltoro 75 Pack - Men's

    $359.95
    104 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

    REI Co-opFlash Air 50 Pack - Men's

    $299.00
    25 reviews with an average rating of 4.2 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
    Top Rated

    OspreyAether Plus 100 Pack - Men's

    $450.00
    10 reviews with an average rating of 4.6 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
    Top Rated

    OspreyAether 65 Pack - Men's

    $320.00
    83 reviews with an average rating of 4.5 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

    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
    Top Rated

    ExpedLightning 45 Pack - Women's

    $219.95
    10 reviews with an average rating of 4.5 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    45 liters
    Weight:
    2.36 lbs
    Features:
    Ultralight
    Reservoir Compatible
    Top Rated

    OspreyAether Plus 60 Pack - Men's

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

    GregoryMaven 65 Pack - Women's

    $209.73
    Save 25%
    compared to  $279.95
    0 reviews
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    62 to 65 liters
    Weight:
    3.44 to 3.5 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET

    REI Co-opTraverse 60 Pack - Men's

    $249.00
    1 reviews with an average rating of 4.0 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    60 to 62 liters
    Weight:
    4.5 to 4.81 lbs
    Features:
    Reservoir Compatible
    Raincover Included

    Hyperlite Mountain GearSouthwest 55 Pack

    $379.00 - $399.00
    68 reviews with an average rating of 3.8 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    55 liters
    Weight:
    2.16 to 2.32 lbs
    Features:
    Ultralight
    Reservoir Compatible

    Hyperlite Mountain GearSouthwest 40 Pack

    $349.00 - $369.00
    31 reviews with an average rating of 4.3 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    40 liters
    Weight:
    2.03 to 2.18 lbs
    Features:
    Ultralight
    Reservoir Compatible

    OspreyAtmos AG LT 65 Pack - Men's

    $290.00
    14 reviews with an average rating of 4.3 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    65 to 68 liters
    Weight:
    4.07 to 4.24 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
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