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Internal Frame Backpacking Packs

(128 products)
Products (128)
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  • Sale Ends May 26
    REI Co-opFlash 55 Pack - Men's
    $139.29
    Save 30%
    compared to  $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
  • Sale Ends May 26
    Top Rated
    OspreyAether 65 Pack - Men's
    $239.99
    Save 25%
    compared to  $320.00
    84 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
  • Sale Ends May 26
    REI Co-opFlash 55 Pack - Women's
    $139.29
    Save 30%
    compared to  $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:
    2.62 to 2.75 lbs
    Features:
    Ultralight
    Reservoir Compatible
  • Sale Ends May 26
    REI Co-opTrailmade 60 Pack - Men's
    $125.29
    Save 30%
    compared to  $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
  • Sale Ends May 26
    Top Rated
    OspreyAriel 55 Pack - Women's
    $224.99
    Save 25%
    compared to  $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
    OspreyRook 50 Pack - Men's
    $180.00
    11 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
  • Sale Ends May 26
    Top Rated
    REI Co-opTarn 40 Pack - Kids'
    $83.29
    Save 30%
    compared to  $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
  • Sale Ends May 26
    OspreyAether 55 Pack - Men's
    $224.99
    Save 25%
    compared to  $300.00
    46 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
    OspreyEja 58 Pack - Women's
    $260.00
    53 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
    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
  • Sale Ends May 26
    REI Co-opFlash Air 50 Pack - Men's
    $209.29
    Save 30%
    compared to  $299.00
    29 reviews with an average rating of 4.0 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
    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
    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
    GregoryKalmia 50 Pack - Women's
    $186.73
    Save 35%
    compared to  $289.95
    6 reviews with an average rating of 4.0 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
  • Sale Ends May 26
    REI Co-opTraverse 60 Pack - Women's
    $174.29
    Save 30%
    compared to  $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
    GregoryBaltoro 75 Pack - Men's
    $359.95
    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
    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
  • Sale Ends May 26
    Top Rated
    OspreyAether Plus 100 Pack - Men's
    $337.49
    Save 25%
    compared to  $450.00
    11 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
    OspreyExos 58 Pack - Men's
    $260.00
    64 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
  • Sale Ends May 26
    REI Co-opFlash Air 50 Pack - Women's
    $209.29
    Save 30%
    compared to  $299.00
    21 reviews with an average rating of 3.8 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
  • Sale Ends May 26
    REI Co-opPassage 55+10 Pack - Kids'
    $125.29
    Save 30%
    compared to  $179.00
    6 reviews with an average rating of 3.7 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    65 liters
    Weight:
    3.25 lbs
    Features:
    Reservoir Compatible
    OspreyEja 48 Pack - Women's
    $179.73
    Save 25%
    compared to  $240.00
    6 reviews with an average rating of 4.3 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    45 liters
    Weight:
    2.67 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
    OspreyAura AG 65 Pack - Women's
    $340.00
    44 reviews with an average rating of 4.3 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    62 to 65 liters
    Weight:
    4.47 to 4.6 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
    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
  • Sale Ends May 26
    REI Co-opTraverse 60 Pack - Men's
    $174.29
    Save 30%
    compared to  $249.00
    2 reviews with an average rating of 3.0 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
  • Sale Ends May 26
    ExpedLightning 45 Pack - Men's
    $164.89
    Save 25%
    compared to  $219.95
    11 reviews with an average rating of 4.2 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    45 liters
    Weight:
    2.49 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
    Top Rated
    GregoryDeva 60 Pack - Women's
    $329.95
    42 reviews with an average rating of 4.7 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    55 to 65 liters
    Weight:
    4.61 to 4.96 lbs
    Features:
    Reservoir Compatible
    GregoryBaltoro 65 Pack - Men's
    $329.95
    71 reviews with an average rating of 4.4 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
1–30 of 128 products
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