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It's time Fido started to share the load.

There’s no free ride for Fido when she hits the trail; she's carrying her own grub, gear, and maybe a few beers with the Mountainsmith Dog Pack. This pannier-style pack is fully adjustable through a four-point system that's padded at the sternum. The pack's tapered torso profile reduces drag and improves your dog’s balance as she trots down the trail. Attach her leash to the D-ring on the top of the harness as you waltz by the forest cops lurking by the trailhead, and store it in the internal pocket once you’re they're of sight.

  • Four-point adjustable harness
  • Padded sternum strap
  • Independently adjustable back harness
  • Zippered panniers
  • Single adjustable belly strap
  • Single haul handle at top of pack
  • Metal D-ring leash attachment point
  • Ergonomically tapered torso shape
  • Air mesh panels
  • Reflective trim

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Here's what others have to say...

Size properly

Size properly

My little husky in the back has a synched down small, she weighs 47 lbs, and my white wolf/husky mix in the front has a VERY synched down medium, and he weighs maybe 80 lbs. When I got his bag, I was concerned I wasn't going to be able to make it small enough to not have it slosh around on his back. I was able to make it fit, but almost feel like a small would have fit better.

My big white one got hurt on the trail so we turned around, I took everything out of his pack and put it in my little girls. She carried food, a long leash, foldable bowl and a nalgene full of water in her small bag, and I had to fireman carry him to the trail head 2 miles.

The bags are great, I love how they slow down my huskies! But they love hiking with them, everyone carries their own weight.

Is there a size chart for these bags? If I get one I want to make sure it is the right fit for the pup.

Best Answer


There is! If you click "Size Chart" above the "Select Options" drop-down menu, it will open a new window with the sizing chart for Mountainsmith Dog Packs.

Let me know if you have any other questions! I can be reached by phone at 801-736-6399 or


Poor buckle placement

    The mountain smith k-9 pack has good intentions but I believe the design of the straps is unintelligible. The buckles are designed so they snug right underneath your pooch's armpits and every time he takes a step it rubs. After only a few trips my dog's skin started rubbing raw. He was much happier when I took his pack off. I ended up exchanging it for another brand (ruff wear), one that doesn't put the buckle in a stupid position. Also, the ends of the straps started fraying after about 3 short-distance hikes.
    The handle is excellent and great when I want to grab him quickly. The color is bright and easy to see from a distance. The pockets are roomy and the zippers are sturdy. The material is durable.
    Size: my dog is a border collie/Australian shepherd mix and weighs 45 lbs. The small fits him but is almost too big!
    If it wasn't for the placement of the buckles, I would have kept this in a heart beat.

    Poor buckle placement

    great review, thanks for the honest feedback!

    Interesting, I wonder if it has anything to do with sizing and set up. My pup has had no issues with rubbing and the clips don't sit in her "arm pits".


    She Loves It

    • Familiarity:I've put it through the wringer

    Mountainsmith nailed it with the redesign of this pack. Simple sizing and a great price finally got me to pick up a pack so Kyrra can start carrying her load.

    Kyrra's a 55lb Husky/Wiemaraner mix with about a 22 inch torso length and the medium fit perfect. Plenty of adjustment to dial it in where as I had a hard time getting a good fit with other brands due to the many different sizes and limited adjustability (particularly around her chest).

    She Loves It

    good pack

    • Familiarity:I've used it several times

    I also have the older model of mountain smith dog packs they work well for me...this pack the company says was design with the help of a service dog vet.
    I got the med for my 50lb Siberian husky service dog nik, his chest girth is 28 in .it seems to fit a bit different with more adjustments... he gets it on, and he's ready to go as always...

    Hello Layne, I have a Bernese Mountain Dog and I'm trying to decide between the new and old version of this pack. You say you have the older model - do you have an experience with the new packs? It LOOKS like the older pack has a better design, but I would love real world feedback.



    i have older model

    • Familiarity:I've used it once or twice and have initial impressions

    ok so I don't have this newer model but I can say that even with the older one my dog loves his bag. it holds a lot and it fits well.

    i have older model

    My girl has the same one. Takes her a minute to adjust to it, but then she acts like it's not there. I'm curious how strong the haul handle hers is. I've picked her up by it, but I'm curious if it would be good for a fall while in the mountains.


    Only familiar with the older model

    • Familiarity:I've used it several times

    Which I loved tons of features on - the leash connection point is convenient, the handle is great for when the dog is off-leash but you want to hold her still while other hikers pass, and the bags have plenty of space. What I think I would love about this pack (and what I didn't like about the old design) is that the straps don't cut right across the dog's front legs. My dog chafed on one side where the front strap hit her armpit (even with padding on the straps), which doesn't seem like it'd be a problem with this bag at all.

    Never had this problem with my dog, but I guess they're as different as we are if not more so.