Skip to search results
loaded 282 results

Internal Frame Hiking Backpacks

(282 products)
Products (282)
Sort: Best Match
  • Sale Ends Today

    MountainsmithScream 30 Pack

    $57.73
    Save 51%
    compared to  $119.95
    0 reviews
    Gear Capacity:
    30 liters
    Weight:
    2.06 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
  • Sale Ends Today

    Sierra DesignsFlex Capacitor 40-60 L Pack

    $107.73
    Save 51%
    compared to  $219.95
    4 reviews with an average rating of 5.0 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 Today
    Top Rated

    GregoryAmber 65 Pack - Women's Plus Size

    $141.73
    Save 40%
    compared to  $239.95
    26 reviews with an average rating of 4.8 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    65 liters
    Weight:
    3.55 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    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

    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

    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

    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

    KlymitMystic 20 L Hydration Pack

    $62.73
    Save 51%
    compared to  $129.99
    0 reviews
    Gear Capacity:
    20 liters
    Liquid Capacity:
    3 liters
    Weight:
    1.74 lbs
    REI OUTLET
  • Sale Ends Today

    MountainsmithScream 12 Pack

    $42.73
    Save 52%
    compared to  $89.95
    0 reviews
    Gear Capacity:
    12 liters
    Weight:
    2.05 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
  • Sale Ends Today

    MountainsmithApex 25 Pack

    $62.73
    Save 51%
    compared to  $129.95
    0 reviews
    Gear Capacity:
    25 liters
    Weight:
    2.4 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
  • Sale Ends Today

    MountainsmithApex 20 Pack

    $52.73
    Save 52%
    compared to  $109.95
    1 reviews with an average rating of 5.0 out of 5 stars
    Gear Capacity:
    20 liters
    Weight:
    1.9 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

    MountainsmithCona 25 Pack

    $72.73
    Save 51%
    compared to  $149.95
    0 reviews
    Gear Capacity:
    25 liters
    Weight:
    2.49 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
    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

    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 Today

    KlymitEcho 12 L Hydration Pack

    $52.73
    Save 52%
    compared to  $109.99
    2 reviews with an average rating of 4.5 out of 5 stars
    Gear Capacity:
    12 liters
    Liquid Capacity:
    3 liters
    Weight:
    1.46 lbs
    REI OUTLET
  • Sale Ends Nov 25

    REI Co-opFlash Air 50 Pack - Men's

    $209.29
    Save 30%
    compared to  $299.00
    26 reviews with an average rating of 4.1 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
  • Sale Ends Nov 25

    OspreyAether Plus 85 Pack - Men's

    $329.99
    Save 25%
    compared to  $440.00
    17 reviews with an average rating of 4.4 out of 5 stars
    Trip Length/Capacity:
    Extended
    Gear Capacity:
    85 liters
    Weight:
    6.23 lbs
    Features:
    Reservoir Compatible
    Raincover Included
  • Sale Ends Nov 25

    OspreyAether Plus 100 Pack - Men's

    $337.49
    Save 25%
    compared to  $450.00
    3 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
  • 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 Nov 25

    OspreyTempest 40 Pack - Women's

    $164.99
    Save 25%
    compared to  $220.00
    7 reviews with an average rating of 4.3 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

    OspreyTalon Pro 20 Pack - Men's

    $149.99
    Save 25%
    compared to  $200.00
    0 reviews
    Gear Capacity:
    23 liters
    Weight:
    2.28 lbs
    Features:
    Reservoir Compatible
  • 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 27
    Top Rated

    KeltyJourney PerfectFIT Elite Child Carrier

    $262.39
    Save 25%
    compared to  $349.95
    10 reviews with an average rating of 4.6 out of 5 stars
    Gear Capacity:
    26 liters
    Weight:
    7.41 lbs
    Weight Capacity:
    50 lbs.
  • 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-opTarn 40 Pack - Kids'

    $83.29
    Save 30%
    compared to  $119.00
    0 reviews
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    40 liters
    Weight:
    2.44 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
Sort: Best Match

Related Expert Advice articles