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Internal Frame Hiking Backpacks

(257 products)
Products (257)
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  • Sale Ends Sep 7
    Top Rated
    GregoryBaltoro 75 Pack - Men's
    $299.89
    Save 25%
    compared to  $399.95
    10 reviews with an average rating of 5.0 out of 5 stars
    Trip Length/Capacity:
    Extended, Multiday
    Gear Capacity:
    70 to 80 liters
    Weight:
    4.83 to 5.36 lbs
    Features:
    Reservoir Compatible
  • Sale Ends Sep 7
    REI Co-opTrail 25 Pack
    $74.89
    Save 25%
    compared to  $99.95
    200 reviews with an average rating of 4.3 out of 5 stars
    Gear Capacity:
    25 liters
    Weight:
    1.81 to 1.87 lbs
    Features:
    Reservoir Compatible
    Raincover Included
  • Sale Ends Sep 7
    REI Co-opTrail 40 Pack - Men's
    $119.19
    Save 25%
    compared to  $159.00
    63 reviews with an average rating of 4.5 out of 5 stars
    Gear Capacity:
    40 to 41 liters
    Weight:
    2.75 to 3 lbs
    Features:
    Reservoir Compatible
    Raincover Included
  • Sale Ends Sep 7
    Top Rated
    OspreySirrus 24 Pack - Women's
    $149.99
    Save 25%
    compared to  $200.00
    12 reviews with an average rating of 4.6 out of 5 stars
    Gear Capacity:
    24 liters
    Weight:
    3.23 lbs
    Features:
    Reservoir Compatible
    Raincover Included
  • Sale Ends Sep 7
    Top Rated
    OspreyStratos 24 Pack - Men's
    $149.99
    Save 25%
    compared to  $200.00
    8 reviews with an average rating of 4.6 out of 5 stars
    Gear Capacity:
    24 liters
    Weight:
    2.95 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    Top Rated
    DeuterAircontact Core 65 + 10 Pack - Men's
    $181.73
    Save 30%
    compared to  $260.00
    Members use code LABORDAY26 to save an extra 20% thru 9/7.
    37 reviews with an average rating of 4.6 out of 5 stars
    Trip Length/Capacity:
    Extended, Multiday
    Gear Capacity:
    75 liters
    Weight:
    5.16 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
  • Sale Ends Sep 7
    Top Rated
    OspreyStratos 34 Pack - Men's
    $168.69
    Save 25%
    compared to  $225.00
    9 reviews with an average rating of 4.9 out of 5 stars
    Gear Capacity:
    34 liters
    Weight:
    3.36 lbs
    Features:
    Reservoir Compatible
    Raincover Included
  • Sale Ends Sep 7
    Top Rated
    REI Co-opTrail 40 Pack - Women's
    $119.19
    Save 25%
    compared to  $159.00
    37 reviews with an average rating of 4.6 out of 5 stars
    Gear Capacity:
    40 to 41 liters
    Weight:
    2.56 to 2.87 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    OspreyDownburst 36 Pack
    $239.73
    Save 25%
    compared to  $320.00
    Members use code LABORDAY26 to save an extra 20% thru 9/7.
    5 reviews with an average rating of 4.4 out of 5 stars
    Gear Capacity:
    36 liters
    Weight:
    4.84 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
    REI Co-opFlash 55 Pack - Women's
    $229.00
    84 reviews with an average rating of 4.3 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
    GregoryDeva 60 Pack - Closeout - Women's
    $208.73 - $276.73
    Save 25% - 40%
    compared to  $349.95 - $369.95
    Members use code LABORDAY26 to save an extra 20% thru 9/7.
    9 reviews with an average rating of 4.3 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    55 to 65 liters
    Weight:
    4.61 to 4.96 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
  • Sale Ends Sep 7
    Top Rated
    OspreyKestrel 38 Pack - Men's
    $164.99
    Save 25%
    compared to  $220.00
    48 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
  • Sale Ends Sep 7
    Top Rated
    OspreySirrus 34 Pack - Women's
    $168.69
    Save 25%
    compared to  $225.00
    7 reviews with an average rating of 5.0 out of 5 stars
    Gear Capacity:
    34 liters
    Weight:
    3.25 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI Co-opFlash 55 Pack - Men's
    $229.00
    99 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 Sep 7
    Top Rated
    OspreyKestrel 48 Pack - Men's
    $179.99
    Save 25%
    compared to  $240.00
    33 reviews with an average rating of 4.6 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
    GregoryKalmia 60 Pack - Women's
    $246.73
    Save 25%
    compared to  $329.95
    Members use code LABORDAY26 to save an extra 20% thru 9/7.
    5 reviews with an average rating of 3.6 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    55 to 60 liters
    Weight:
    4.41 to 4.48 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
  • Sale Ends Sep 7
    Top Rated
    OspreyKyte 38 Pack - Women's
    $164.99
    Save 25%
    compared to  $220.00
    25 reviews with an average rating of 4.9 out of 5 stars
    Gear Capacity:
    36 to 38 liters
    Weight:
    3.88 to 4.06 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    Top Rated
    OspreyTempest 22 Pack - Women's
    $175.00
    68 reviews with an average rating of 4.7 out of 5 stars
    Gear Capacity:
    22 liters
    Weight:
    2.38 to 2.98 lbs
    Features:
    Reservoir Compatible
    Top Rated
    GregoryBaltoro 75 Pack - Closeout - Men's
    $264.73 - $299.73
    Save 25% - 30%
    compared to  $379.95 - $399.95
    Members use code LABORDAY26 to save an extra 20% thru 9/7.
    81 reviews with an average rating of 4.6 out of 5 stars
    Trip Length/Capacity:
    Extended, Multiday
    Gear Capacity:
    70 to 75 liters
    Weight:
    4.8 to 5 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
    Top Rated
    OspreyHikelite 26 Pack
    $135.00
    17 reviews with an average rating of 4.6 out of 5 stars
    Gear Capacity:
    26 liters
    Weight:
    1.8 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    Top Rated
    GregoryKatmai 65 Pack - Closeout - Men's Plus Sizes
    $139.67
    Save 54%
    compared to  $309.95
    Members use code LABORDAY26 to save an extra 20% thru 9/7.
    17 reviews with an average rating of 4.9 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    60 liters
    Weight:
    5 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
  • Sale Ends Sep 7
    REI Co-opTraverse 60 Pack - Men's
    $201.69
    Save 25%
    compared to  $269.00
    15 reviews with an average rating of 3.9 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 Sep 7
    Top Rated
    REI Co-opTraverse 35 Pack - Women's
    $134.19
    Save 25%
    compared to  $179.00
    12 reviews with an average rating of 4.7 out of 5 stars
    Gear Capacity:
    35 liters
    Weight:
    3.19 to 3.44 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    Top Rated
    GregoryArrio 24 Pack - 2025
    $89.73
    Save 18%
    compared to  $109.95
    Members use code LABORDAY26 to save an extra 20% thru 9/7.
    16 reviews with an average rating of 4.6 out of 5 stars
    Gear Capacity:
    24 liters
    Weight:
    1.62 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
  • Limited time only! The R E I Co-op Mastercard.

    $130 in value

    Get $30 in card rewards when approved by Sep 7. Plus, earn a $100 REI gift card after first qualifying purchase. Terms apply.

    GregoryKalmia 60 Pack - Closeout - Women's
    $149.67
    Save 51%
    compared to  $309.95
    Members use code LABORDAY26 to save an extra 20% thru 9/7.
    5 reviews with an average rating of 4.4 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    55 liters
    Weight:
    4.41 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
    Top Rated
    OspreyAtmos AG 65 Pack - Men's
    $370.00
    163 reviews with an average rating of 4.5 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 Sep 7
    Top Rated
    OspreyManta 34 Hydration Pack - Men's
    $179.99
    Save 25%
    compared to  $240.00
    12 reviews with an average rating of 5.0 out of 5 stars
    Gear Capacity:
    34 liters
    Liquid Capacity:
    2.5 liters
    Weight:
    3.54 lbs
    Features:
    Hipbelt Pockets
    Raincover Included
  • Sale Ends Sep 7
    Mountain HardwearKazam 60 Pack
    $236.19
    Save 25%
    compared to  $315.00
    29 reviews with an average rating of 4.2 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    60 liters
    Weight:
    2.56 to 2.65 lbs
    Features:
    Ultralight
    Reservoir Compatible
  • Sale Ends Sep 7
    Top Rated
    OspreyMira 24 Hydration Pack - Women's
    $164.99
    Save 25%
    compared to  $220.00
    8 reviews with an average rating of 4.5 out of 5 stars
    Gear Capacity:
    24 liters
    Liquid Capacity:
    2.5 liters
    Weight:
    3.28 lbs
    Features:
    Hipbelt Pockets
    Raincover Included
    Top Rated
    GregoryBaltoro 65 Response A3 Pack - Men's
    $243.73
    Save 30%
    compared to  $349.95
    Members use code LABORDAY26 to save an extra 20% thru 9/7.
    110 reviews with an average rating of 4.5 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    62 to 65 liters
    Weight:
    4.48 to 4.65 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
1–30 of 257 products
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