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K² 5500 Backpack

Rated 4.92 out of 5 based on 38 customer ratings
(38 customer reviews)


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Belt sizes: Small 29-33″, Medium 34-36″, Large 37″+

SKU: exo-5500 Category:


With a total volume of over 7000ci, and weighing only 5lbs 6oz, the 5500 Backpack is the perfect choice for extended adventures in the backcountry.

  • 5500-9000ci  (Actual exact measurements are: 5800ci bag and lid, 1000ci exterior pockets, 2500ci load shelf area)
  • The 5500 is 3″ deeper and 10″ taller than the 3500
  • Total of 14 different compression straps to secure items and loads to the pack
  • Roll-top enclosure manages excess fabric when the pack isn’t filled to full capacity
  • Fully compatible with our FTE Dry Bag accessory
  • Floating and removable lid
  • Integrated water bladder sleeve sewn to back panel of bag and fits virtually any size bladder, and can also double as an additional storage pocket for items like game bags, rope, etc.
  • Stretch external pockets keeps items tight, quiet, and easily accessed
  • Full Length side pockets (carry rifle, tripod, spotting scope, bladder, tent poles, etc)
  • Angled lower side pockets so you can access while wearing the pack
  • 7 compartments total for organization (can add up to 3 velcro mesh pockets as well)
  • 20″ Side zipper for quick main bag access
  • hydration bladder compatible
  • Velcro strips sewn inside bag zipper and lid to custom fit our stash pockets (can add 3 total)
  • 1 water bladder tube port hole
  • 500d Cordura and 420d Diamond Ripstop
  • K² Titanium frame (the heart and soul of the pack!) 25″ tall
  • Frame is vertically rigid but moves with you laterally
  • Load-tested with more than 250lbs — our Ti frame can carry more weight than you’ll ever want to
  • Modular Interchangeable bags- all Exo Bags will fit on the same frame
  • Non-slip lumbar pad fabric to prevent lumbar pad shifting
  • Micro adjustable torso (16″-21″)
  • Open suspension design for maximum breath-ability
  • Angled compression straps for better load hauling
  • Meat hauling load shelf (extra 2500 cubic inches)
  • Heavy duty 1″ Compression straps and buckles
  • Webbing loops for accessory attachment
  • 3 different sized hipbelts with adjustable lumbar pad foam
  • Belt sizes (Small 29-33″, Medium 34-36″, Large 37″ +)
  • 1.5″ webbing for attachment of holsters, pouches etc on hipbelt
  • Assist pull hipbelt webbing

Explore the Frame


For more information about pack selection, fitting, load capacity, discounts, warranty, and more, visit our FAQ…

K² 2000 K² 3500 K² 5500
Weight 4.5lbs 5.1lbs 5.4lbs
Dimensions, Compressed 2" x 11.5" x 25" 3" x 11.5" x 26" 3.5" x 11.5" x 26"
Dimensions, Expanded 6" x 11.5" x 30" 8" x 11.5" x 36" 12" x 11.5" x 42"
Total Volume (cubic inches) 2950 4200 6800
Frame K² Titanium K² Titanium K² Titanium
Dry Bag Compatible Yes Yes Yes

Belt sizes:

  • Small, 29-33"
  • Medium, 34-36"
  • Large, 37"+

See the K² 5500 in action!

More Exo Field Photos

Share your thoughts!

4.92 out of 5 stars

38 reviews

Let us know what you think...

3 reviews with a 4-star rating

  1. One person found this helpful

    4 out of 5

    Donovan (verified owner)

    I Love this Ruck!
    its an outstanding setup, If your stuck on what brand to go for (Exo, Kifaru, Mystery Ranch) For Sure go for the Exo. I had the chance to use Kifaru and mystery ranch bags for hiking,Hunting, military field exercises, but I went for the Shot in the dark with Exo and I do not regret my decision at all this thing in my Opinion smashes the competition, It provides the ability to carry heavy loads comfortably. I prefer simple bomb proof gear, And exo hits the mark in every category for me.

    Cheaper than the competition with the outstanding build quality over all
    Holds Heavy loads super Easy and comfortably
    Simple, Bomb Proof Design
    Versatility, this thing does it all. Day pack to 12 day hunt (I had plenty of room left over too)
    allows for customization, I Added shock cord to the front panels weave(gotta get your kit the way you like it)
    Very Weather Resistant (inside liner material is outstanding)
    The Cordura is top notch, No frays or tears from thorns/barbs
    I prefer Exos Frame and load lift design over Kifarus
    Plenty of Places to secure tie downs.

    The zipper pull cord things (the zipper itself is solid) break, but a simple bit of 550 fixes that eh?
    The guide lid is sub par, I love the placement of the zipper (I can grab stuff out of it while wearing the bag), but its size is just to small…

    Improves: (Just A few simple things I think would make the next version of this bag just stomp its competition)
    The Kidney pads/belt doesn’t have any real solid ability to attach a holster or other stuff (but the adjustment strap will enable you to attach them, Just not as secure as I would like)
    The lower back pad on the belt needed to have the rhino liner rubber stuff sewn to the entire bottom portion to prevent fraying (mines not torn but you can see a decent amount of fraying starting after 6 months of use, caused from sitting down with the bag on I assume or even leaving the bag standing up on the ground)
    I would like to see rows of MOLLE loops on the inside of the bag, It would allow some one to add more organization for those who want to, but still allow minimalist to do so as well with very little extra material to add to the bag.
    I would Add cross weaving shock cord to the front of the bag (That bungee stuff you see on tactical bags) its a simple accessory that has thousands of uses.

    Over all, If you are indecisive on getting this bag, Just get it. Coming from a guy that spent a month researching and testing bags before getting a Exo. Its just worth every penny.

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  2. One person found this helpful

    4 out of 5


    Let me start out by saying that I own an Exo, Stone Glacier, and a couple Mystery Ranch packs. Each brand mentioned has some great things I like and things I wish they might change. With that said I have to say that my Exo 5500 is the one I find grabbing all the time now. I love the stretch pockets on the back and sides. I love having 2 large side pockets for quick access. I’ve hauled out 1 elk and a deer so far and it has been great. I find that loading onto this frame is far simpler and quicker than the other brands. I love that the x-pack material is used for the main bag making the bag very water resistant. I almost wish they would use the x-pac material on the frame where it touches the bag. I think it would cut down on blood staining on the frame side but would still be as tough as the Cordura. The zippers seem to be of lesser quality than the other brands mentioned but with a lifetime warranty and no real reason to complain yet I’m not worried. I give it 4 stars only because almost anything could use improvement but this pack blends the best of most other pack manufactures. I don’t regret getting the 5500 and find that it’s just as versatile working as a large daypack. Just my honest review. Keep up the good work Exo!

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  3. 4 out of 5

    Cory Glauner (verified owner)

    One of the best packs I’ve ever used. I love how has all of the features I need without the fluff.

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Additional information

Weight 5 lbs
Dimensions 18 x 18 x 4 in

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Belt Size

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