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Internal Frame Backpacks

(255 products)
Products (255)
Sort: Best Match
    ALPS MountaineeringNomad RT 75 Pack
    $209.73
    Save 25%
    compared to  $279.99
    Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
    0 reviews
    Trip Length/Capacity:
    Extended
    Gear Capacity:
    85 liters
    Weight:
    5.56 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    Top Rated
    DeuterSpeed Lite Pro 23 SL Pack - Women's
    $130.00
    13 reviews with an average rating of 4.6 out of 5 stars
    Gear Capacity:
    23 liters
    Weight:
    1.05 lbs
    Features:
    Reservoir Compatible
    OspreyKyte 48 Pack - Women's
    $230.00
    17 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
    OspreyTempest 44 Pack - Women's
    $240.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    44 liters
    Weight:
    3.32 to 3.45 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
    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
    GregoryFocal 58 Pack - Men's
    $269.95
    29 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
    Top Rated
    NEMOPersist 30 L Endless Promise All-Adventure Pack - Men's
    $229.95
    11 reviews with an average rating of 4.8 out of 5 stars
    Gear Capacity:
    31 liters
    Weight:
    3.2 lbs
    Features:
    Reservoir Compatible
    GregoryMaven 58 Pack - Women's
    $299.95
    5 reviews with an average rating of 4.2 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    54 to 58 liters
    Weight:
    3.4 to 3.51 lbs
    Features:
    Reservoir Compatible
    ExpedLightning 60 Pack - Women's
    $249.95
    0 reviews
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    60 liters
    Weight:
    2.4 lbs
    Features:
    Ultralight
    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
    OspreyKestrel 48 Pack - Men's
    $230.00
    21 reviews with an average rating of 4.5 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    46 to 48 liters
    Weight:
    4.44 to 4.62 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    Top Rated
    OspreySkarab 30 Hydration Pack - Men's
    $160.00
    33 reviews with an average rating of 4.6 out of 5 stars
    Gear Capacity:
    30 liters
    Liquid Capacity:
    2.5 liters
    Weight:
    1.64 lbs
    Features:
    Hipbelt Pockets
    Top Rated
    OspreyManta 34 Hydration Pack - Men's
    $220.00
    35 reviews with an average rating of 4.5 out of 5 stars
    Gear Capacity:
    34 liters
    Liquid Capacity:
    2.5 liters
    Weight:
    3.5 lbs
    Features:
    Hipbelt Pockets
    Raincover Included
    DeuterAC Lite 22 SL Pack - Women's
    $110.00
    2 reviews with an average rating of 4.5 out of 5 stars
    Gear Capacity:
    22 liters
    Weight:
    2.06 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    OspreyUNLTD AirScape 68 Pack - Women's
    $524.93
    Save 25%
    compared to  $700.00
    3 reviews with an average rating of 4.3 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    64 liters
    Weight:
    6.01 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    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
    Hyperlite Mountain GearSouthwest 40 Pack
    $349.00 - $369.00
    33 reviews with an average rating of 4.2 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    40 liters
    Weight:
    2.03 to 2.18 lbs
    Features:
    Ultralight
    Reservoir Compatible
    Top Rated
    Mountain HardwearPowabunga 32 Snow Pack
    $149.73
    Save 25%
    compared to  $200.00
    Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
    9 reviews with an average rating of 5.0 out of 5 stars
    Gear Capacity:
    30 to 32 liters
    Weight:
    3.09 to 3.21 lbs
    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
    Top Rated
    OspreyAriel 55 Pack - Women's
    $325.00
    26 reviews with an average rating of 4.5 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
    Top Rated
    OspreySkimmer 16 Hydration Pack - Women's
    $120.00
    5 reviews with an average rating of 4.6 out of 5 stars
    Gear Capacity:
    16 liters
    Liquid Capacity:
    2.5 liters
    Weight:
    1.05 lbs
    OspreySkarab 22 Hydration Pack - Men's
    $140.00
    4 reviews with an average rating of 4.8 out of 5 stars
    Gear Capacity:
    22 liters
    Liquid Capacity:
    2.5 liters
    Weight:
    1.36 lbs
    GregoryFocal 48 Pack - Men's
    $249.95
    19 reviews with an average rating of 4.3 out of 5 stars
    Trip Length/Capacity:
    Weekend, Multiday
    Gear Capacity:
    44 to 52 liters
    Weight:
    2.54 to 2.76 lbs
    Features:
    Ultralight
    Reservoir Compatible
    Mountain HardwearAlpine Light Roll-Top 45 L Pack
    $350.00
    6 reviews with an average rating of 4.2 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    45 liters
    Weight:
    2.39 to 2.43 lbs
    Features:
    Ultralight
    Top Rated
    DeuterSpeed Lite Pro 25 Pack - Men's
    $130.00
    12 reviews with an average rating of 4.6 out of 5 stars
    Gear Capacity:
    25 liters
    Weight:
    1.04 lbs
    Features:
    Reservoir Compatible
    GregoryParagon 60 Pack - Men's
    $299.95
    1 reviews with an average rating of 5.0 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    56 to 60 liters
    Weight:
    3.53 to 3.73 lbs
    Features:
    Reservoir Compatible
    Mountain HardwearJMT 35 L Pack - Women's
    $134.73
    Save 25%
    compared to  $180.00
    Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
    5 reviews with an average rating of 4.0 out of 5 stars
    Gear Capacity:
    35 liters
    Weight:
    2.59 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
    OspreyStratos 36 Pack - Men's
    $220.00
    27 reviews with an average rating of 4.2 out of 5 stars
    Gear Capacity:
    36 liters
    Weight:
    3.28 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    Hyperlite Mountain GearSouthwest 55 Pack
    $379.00 - $399.00
    70 reviews with an average rating of 3.7 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    55 liters
    Weight:
    2.16 to 2.29 lbs
    Features:
    Ultralight
    Reservoir Compatible
Sort: Best Match

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