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K9 Sport Sack

Rover 2 | Big Dog Carrier & Backpacking Pack


Completely redesigned in appearance, construction, and functionality, the Rover 2 is THE big dog backpack carrier that now doubles as a backpacking pack. It is ideal for carrying medium to large dogs and available in sizes L-XXL. Rover 2 technology is top of the line in pet/human safety and comfort. Adjustable shoulder/torso sizing makes this backpack more suitable than ever for all body types (as long as you can withstand the weight). When you’re not carrying your 4-legged friend, the backpack easily converts to carry your gear with up to 60 liters of space. Use this backpack for strenuous hikes, bike rides, and public transit.

80 lb (36 kg) weight limit
50-60 liter capacity

  • Backpacking Pack Conversion
  • Adjustable Shoulder/Torso Height
  • Removable Lap Belt with Hip Pockets & Waste Bag Dispenser
  • Internal Frame with Inner Padding for Dog Comfort
  • Padded Back Panel with Increased Airflow
  • Removable Storage/Dog Back Support Pack with Hydro Port
  • Weight Distribution Straps
  • Side Cooling Venting Zippers
  • Wide Base to accommodate your pet and its tail
  • Detachable Dog Sun/Rain Hood
  • Dog Lumbar Support Straps
  • 300D Ripstop Oxford Polyester Material
  • Matching Hook & Loop Strip for Custom Patch

Compare K9 Sport Sack Carriers

View Patent Info


All K9 Sport Sack carriers are specially developed under the close direction of animal professionals, veterinarians, dog trainers, and outdoor product engineers to be ergonomic, safe, and strong.

Shipping, Warranty & Returns


Domestic orders: USPS Priority Mail shipping (average delivery in 2-5 days unless alternate method is selected). UPS 2nd Day Air shipping is also available.

International orders: UPS Worldwide Expedited shipping (average delivery in 3-5 days, but varies depending on location).

For more information regarding shipping click here.


We cover manufacturers defects and product malfunctions for the first 60 days (Excludes klearance and custom items). Learn more about our policy here.


If you end up with incorrect sizing don't worry! All size exchanges within 60 days are free (Excludes klearance and custom items). Learn more about our policy here.

Customer Reviews

Based on 6 reviews
Great idea...I got a big dog

It works well walking around. However, I hoped on a scooter, and she gets a bit skiddish at 40mph... once she hits or passes 80lb(50 now), might be just for walking around. Great product for sure

Perfect for when the pup gets tired out!

The Rover 2 allows me to still go on nice long hikes with my 3-month-old golden retriever. He walks for a bit and when he tires out, I put him in the pack and off we go.

Incredible carrier

I bought the Rover when it first came out a couple years or so ago for my Aussie. We absolutely loved it. When I saw K9 had remade the Rover, I didn't know how much better it could get. This thing is seriously incredible. I love how the shoulder straps can be adjusted to fit my body better and the extra padding they added to it. Fantastic quality. We'll be using it tons more as soon as it warms up.


My dog (cow dog mutt mix) is a rescue and was originally found abandoned on a farm, while he has enough energy to make the journey to my friends cabin in any time of year if you drive away from him on a vehicle he just stops and gets anxious. In the winter we have to snowmobile in and carrying a dog on a snowmobile is challenging (tried it the first time). It takes some convincing and treats don't hurt but once he's in and adjusted he made the whole trip (about 20 min) and was totally fine. If you do this as well be sure to go slow on the snowmobile we were paced by my buddies malamute (max speed 15 mph). It takes some adjustments to get my dog comfortable so it could be a bit wider for how deep it is but it isn't a major issue.

My dog is happy

We have a 12 year old boxer mix, with 3 legs and bad arthritis. We recently got a new puppy and my first baby was getting left at home on all of our adventures because his body couldn’t take it. He loved this backpack. With the help of treats for positive reinforcement the first time, he willingly got into the pack and on my husband’s back. He was happy and perky during our walk. Most important, at the end of our walk he wasn’t stiff or uncomfortable. I would highly recommend!