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Internal Frame Backpacking Packs

(183 products)
Products (183)
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  • Sale Ends Today

    GregoryKalmia 60 Pack - Women's

    $199.73
    Save 35%
    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
  • Sale Ends Today
    Top Rated

    GregoryKatmai 55 Pack - Men's

    $186.73
    Save 35%
    compared to  $289.95
    6 reviews with an average rating of 4.8 out of 5 stars
    Trip Length/Capacity:
    Weekend, Multiday
    Gear Capacity:
    50 liters
    Weight:
    4.48 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
  • Sale Ends Today

    DeuterAircontact Ultra 50 + 5 Pack - Men's

    $148.73
    Save 40%
    compared to  $250.00
    0 reviews
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    55 liters
    Weight:
    2.69 lbs
    Features:
    Ultralight
    Reservoir Compatible
    REI OUTLET
  • Sale Ends Today

    Big AgnesParkview 63 L Pack - Men's

    $178.73
    Save 40%
    compared to  $299.95
    1 reviews with an average rating of 5.0 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    63 liters
    Weight:
    3.62 to 3.81 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
  • Sale Ends Today

    GregoryAmber 55 Pack - Women's

    $140.73
    Save 36%
    compared to  $219.95
    0 reviews
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    55 liters
    Weight:
    3.4 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
  • Sale Ends Today

    MountainsmithApex 60 Pack

    $96.73
    Save 56%
    compared to  $219.95
    1 reviews with an average rating of 5.0 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    60 liters
    Weight:
    4.63 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
  • Sale Ends Today

    MountainsmithCona 45 Pack

    $127.73
    Save 50%
    compared to  $259.95
    1 reviews with an average rating of 5.0 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    45 liters
    Weight:
    4.6 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
  • Sale Ends Today

    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
  • Sale Ends Today

    ALPS MountaineeringNomad RT 38 Pack

    $98.73
    Save 50%
    compared to  $199.99
    0 reviews
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    42 liters
    Weight:
    4.37 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
  • Sale Ends Today
    Top Rated

    GregoryKalmia 60 Pack - Women's Plus Sizes

    $187.73
    Save 39%
    compared to  $309.95
    28 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
  • Sale Ends Today

    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
  • Sale Ends Today

    ALPS MountaineeringCanyon 55 Pack

    $98.73
    Save 50%
    compared to  $199.99
    0 reviews
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    55 liters
    Weight:
    4.81 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
  • Sale Ends Today

    MountainsmithCona 65 Pack

    $142.73
    Save 50%
    compared to  $289.95
    0 reviews
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    65 liters
    Weight:
    5.25 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
  • Sale Ends Nov 25

    OspreyAriel 65 Pack - Women's

    $239.99
    Save 25%
    compared to  $320.00
    26 reviews with an average rating of 4.1 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    62 to 65 liters
    Weight:
    4.85 to 4.89 lbs
    Features:
    Reservoir Compatible
    Raincover Included
  • Sale Ends Today

    Sierra DesignsFlex Capacitor 40-60 L Pack

    $107.73
    Save 51%
    compared to  $219.95
    6 reviews with an average rating of 4.8 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    60 liters
    Weight:
    2.62 to 2.67 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
  • Sale Ends Nov 25

    OspreyTempest 40 Pack - Women's

    $164.99
    Save 25%
    compared to  $220.00
    6 reviews with an average rating of 4.2 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    38 to 40 liters
    Weight:
    2.73 to 2.93 lbs
    Features:
    Reservoir Compatible
  • Sale Ends Nov 25

    REI Co-opTrailmade 60 Pack - Men's

    $125.29
    Save 30%
    compared to  $179.00
    1 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 Nov 25
    Top Rated

    OspreyAriel 55 Pack - Women's

    $224.99
    Save 25%
    compared to  $300.00
    10 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
  • Sale Ends Nov 25

    REI Co-opFlash Air 50 Pack - Women's

    $209.29
    Save 30%
    compared to  $299.00
    20 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 Nov 25

    OspreyAether 55 Pack - Men's

    $224.99
    Save 25%
    compared to  $300.00
    27 reviews with an average rating of 4.4 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
  • Sale Ends Nov 25
    Top Rated

    OspreyTalon 44 Pack - Men's

    $164.99
    Save 25%
    compared to  $220.00
    22 reviews with an average rating of 4.6 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    42 to 44 liters
    Weight:
    2.95 to 3.34 lbs
    Features:
    Reservoir Compatible
  • Sale Ends Nov 25

    OspreyAether Pro 75 Pack - Men's

    $299.99
    Save 25%
    compared to  $400.00
    1 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
  • Sale Ends Nov 25
    Top Rated

    OspreyAether Plus 60 Pack - Men's

    $292.49
    Save 25%
    compared to  $390.00
    6 reviews with an average rating of 5.0 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
  • Sale Ends Nov 25

    MYSTERY RANCHRadix 57 Pack - Women's

    $224.19
    Save 25%
    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
  • Sale Ends Nov 25

    OspreyTempest Pro 40 Pack - Women's

    $194.99
    Save 25%
    compared to  $260.00
    0 reviews
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    38 to 40 liters
    Weight:
    2.86 to 3.01 lbs
    Features:
    Reservoir Compatible
  • Sale Ends Nov 25
    Top Rated

    OspreyAriel Plus 70 Pack - Women's

    $307.49
    Save 25%
    compared to  $410.00
    5 reviews with an average rating of 5.0 out of 5 stars
    Trip Length/Capacity:
    Extended, Multiday
    Gear Capacity:
    70 liters
    Weight:
    5.65 lbs
    Features:
    Reservoir Compatible
    Raincover Included
  • Sale Ends Nov 25

    OspreyAriel Pro 75 Pack - Women's

    $299.99
    Save 25%
    compared to  $400.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Trip Length/Capacity:
    Extended, Multiday
    Gear Capacity:
    75 liters
    Weight:
    4.64 to 4.74 lbs
    Features:
    Reservoir Compatible
  • Sale Ends Nov 25

    REI Co-opTrailmade 60 Pack - Women's

    $125.29
    Save 30%
    compared to  $179.00
    0 reviews
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    60 liters
    Weight:
    3.25 to 3.62 lbs
    Features:
    Reservoir Compatible
  • Sale Ends Nov 25

    REI Co-opPassage 55+10 Pack - Kids'

    $125.29
    Save 30%
    compared to  $179.00
    0 reviews
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    65 liters
    Weight:
    3.25 lbs
    Features:
    Reservoir Compatible
  • Sale Ends Nov 25

    OspreyTalon Pro 40 Pack - Men's

    $194.99
    Save 25%
    compared to  $260.00
    0 reviews
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    40 to 42 liters
    Weight:
    3.18 to 3.32 lbs
    Features:
    Reservoir Compatible
31–60 of 183 products
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