Skip to search results
loaded 259 results

Internal Frame Hiking Backpacks

(259 products)
Products (259)
Sort: Best Match
    Arc'teryxAerios 18 Pack
    $180.00
    19 reviews with an average rating of 3.9 out of 5 stars
    Gear Capacity:
    18 liters
    Weight:
    1.25 lbs
    Reservoir Compatible
    GregoryArrio 24 Pack
    $149.95
    Top Rated
    26 reviews with an average rating of 4.7 out of 5 stars
    Gear Capacity:
    24 liters
    Weight:
    1.87 lbs
    Reservoir Compatible
    REI Co-opTrail 25 Pack
    $99.95
    209 reviews with an average rating of 4.4 out of 5 stars
    Gear Capacity:
    25 liters
    Weight:
    1.81 to 1.87 lbs
    Reservoir Compatible
    Raincover Included
    REI Co-opFlash 55 Pack - Men's
    $159.93
    Save 30%
    compared to  $229.00
    Staff Pick
    105 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
    Ultralight
    Reservoir Compatible
    REI Co-opFlash 55 Pack - Women's
    $159.93
    Save 30%
    compared to  $229.00
    87 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
    Ultralight
    Reservoir Compatible
    OspreyTempest 22 Pack - Women's
    $175.00
    Top Rated
    86 reviews with an average rating of 4.7 out of 5 stars
    Gear Capacity:
    22 liters
    Weight:
    2.38 to 2.98 lbs
    Reservoir Compatible
    REI Co-opTrail 40 Pack - Men's
    $159.00
    67 reviews with an average rating of 4.4 out of 5 stars
    Gear Capacity:
    40 to 41 liters
    Weight:
    2.75 to 3 lbs
    Reservoir Compatible
    Raincover Included
    REI Co-opFlash Air 50 Pack - Men's
    $209.23
    Save 30%
    compared to  $299.00
    Staff Pick
    52 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
    Ultralight
    Reservoir Compatible
    GregoryBaltoro 75 Pack - Closeout - Men's
    $298.97
    Save 21% - 25%
    compared to  $379.95 - $399.95
    REI Outlet
    Top Rated
    81 reviews with an average rating of 4.6 out of 5 stars
    Trip Length/Capacity:
    Extended, Multiday
    Gear Capacity:
    70 to 80 liters
    Weight:
    4.8 to 5.4 lbs
    Reservoir Compatible
    REI Co-opTrail 40 Pack - Women's
    $159.00
    Top Rated
    42 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
    Reservoir Compatible
    Raincover Included
    OspreyHikelite 26 Pack
    $135.00
    Top Rated
    21 reviews with an average rating of 4.6 out of 5 stars
    Gear Capacity:
    26 liters
    Weight:
    1.8 lbs
    Reservoir Compatible
    Raincover Included
    OspreyTalon 22 Pack - Men's
    $175.00
    Top Rated
    103 reviews with an average rating of 4.7 out of 5 stars
    Gear Capacity:
    22 liters
    Weight:
    2.38 to 2.98 lbs
    Reservoir Compatible
    REI Co-opTarn 40 Pack - Kids'
    $129.00
    Top Rated
    22 reviews with an average rating of 4.8 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    40 liters
    Weight:
    2.44 lbs
    Reservoir Compatible
    GregoryDeva 60 Pack - Closeout - Women's
    $208.73 - $276.97
    Save 25% - 40%
    compared to  $349.95 - $369.95
    REI Outlet
    10 reviews with an average rating of 4.4 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    55 to 65 liters
    Weight:
    4.61 to 4.96 lbs
    Reservoir Compatible
    Raincover Included
    OspreyAtmos AG 65 Pack - Men's
    $258.93
    Save 30%
    compared to  $370.00
    Top Rated
    171 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
    Reservoir Compatible
    Raincover Included
    NEMOResolve 35 L Endless Promise Technical Active Pack - Men's
    $130.77
    Save 40%
    compared to  $219.95
    REI Outlet
    3 reviews with an average rating of 4.7 out of 5 stars
    Gear Capacity:
    37.5 liters
    Weight:
    2.89 lbs
    Reservoir Compatible
  • A yellow Member Bonus Card and two holiday-themed gift cards on a light colored background.

    Give the gift of the outdoors

    Members, get a $25 bonus e-card when you buy a $130+ gift card. Terms apply.

    Shop gift cards
    OspreyStratos 34 Pack - Men's
    $225.00
    Top Rated
    16 reviews with an average rating of 4.7 out of 5 stars
    Gear Capacity:
    34 liters
    Weight:
    3.36 lbs
    Reservoir Compatible
    Raincover Included
    OspreyDownburst 34 Pack - Women's
    $191.77
    Save 40%
    compared to  $320.00
    REI Outlet
    3 reviews with an average rating of 4.7 out of 5 stars
    Gear Capacity:
    34 liters
    Weight:
    3.27 lbs
    Reservoir Compatible
    OspreyKestrel 48 Pack - Men's
    $240.00
    Top Rated
    37 reviews with an average rating of 4.7 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    46 to 48 liters
    Weight:
    4.44 to 4.62 lbs
    Reservoir Compatible
    Raincover Included
    REI Co-opTrailmade 60 Pack - Men's
    $189.00
    16 reviews with an average rating of 4.4 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    60 liters
    Weight:
    3.31 to 3.5 lbs
    Reservoir Compatible
    REI Co-opTraverse 35 Pack - Women's
    $179.00
    Top Rated
    13 reviews with an average rating of 4.6 out of 5 stars
    Gear Capacity:
    35 liters
    Weight:
    3.19 to 3.44 lbs
    Reservoir Compatible
    Raincover Included
  • A person holding a variety of winter jackets on a light colored background.

    Top gifts

    Co-op favorites, top-rated brands & most-loved styles—give the gifts that everyone's talking about.

    Hyperlite Mountain GearUnbound 40 Pack
    $385.00 - $405.00
    6 reviews with an average rating of 4.2 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    40 liters
    Weight:
    1.92 to 2.05 lbs
    Ultralight
    REI Co-opTraverse 35 Pack - Men's
    $179.00
    Top Rated
    25 reviews with an average rating of 4.8 out of 5 stars
    Gear Capacity:
    35 liters
    Weight:
    3.25 to 3.5 lbs
    Reservoir Compatible
    Raincover Included
    GregoryArrio 24 Pack - 2025
    $89.97
    Save 24%
    compared to  $119.95
    REI Outlet
    Top Rated
    17 reviews with an average rating of 4.6 out of 5 stars
    Gear Capacity:
    24 liters
    Weight:
    1.62 lbs
    Reservoir Compatible
    OspreySirrus 24 Pack - Women's
    $200.00
    18 reviews with an average rating of 4.4 out of 5 stars
    Gear Capacity:
    24 liters
    Weight:
    3.23 lbs
    Reservoir Compatible
    Raincover Included
  • Text reads ‘happening now!’ over an image of the R E I Co-op Mastercard.

    $130 in value

    Get $30 in card rewards when you’re approved by Nov 23. Plus, earn a $100 REI gift card after your first qualifying purchase.

    Terms apply

    DeuterKid Comfort Child Carrier
    $330.00
    Top Rated
    10 reviews with an average rating of 5.0 out of 5 stars
    Gear Capacity:
    14 liters
    Weight:
    7.75 lbs
    Weight Capacity:
    53 lbs.
    Hyperlite Mountain GearSouthwest 40 Pack
    $395.00
    4 reviews with an average rating of 4.5 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    40 liters
    Weight:
    1.82 to 1.94 lbs
    Ultralight
    Reservoir Compatible
    DeuterTrail 30 Pack - Men's
    $108.43
    Save 30%
    compared to  $155.00
    15 reviews with an average rating of 4.3 out of 5 stars
    Gear Capacity:
    30 liters
    Weight:
    2.5 lbs
    Reservoir Compatible
    Raincover Included
    GregoryKatmai 65 Pack - Men's
    $246.97
    Save 25%
    compared to  $329.95
    REI Outlet
    Top Rated
    10 reviews with an average rating of 5.0 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    65 liters
    Weight:
    4.68 to 4.74 lbs
    Reservoir Compatible
    GregoryBaltoro 65 FreeFloat A3 Pack - Men's
    $276.97
    Save 25%
    compared to  $369.95
    REI Outlet
    0 reviews
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    60 to 65 liters
    Weight:
    4.72 to 4.92 lbs
    Reservoir Compatible
Sort: Best Match

Related Expert Advice articles

Illustration of a hand holding a phone.

Checkout faster

Track your order, shop and save— all in one place

Get the REI app