K9 Sport, Kolossus Big Dog Carrier & Backpacking Pack [Backpack]

Totally reinvented from head to toe, the Kolossus (formerly the Rover 2) is THE big dog backpack that can now double as a backpacking pack

It's perfect for carrying medium to large canine pals and comes in sizes L-XXL. Kolossus technology serves up top-notch human/pooch protection and comfort. The adjustable shoulder and torso size makes this pack suitable for any shape and size (as long as you can hoist the heft).

Convert the Kolossus to a backpack for serious hikes, bike rides, or public transport. It's packed with features backpacking pack conversion, adjustable torso/shoulder, removable lap belt with hip pockets and waste bag dispenser, inner frame w/inner padding, padded back panel with increased airflow, removable storage/dog back support pack with hydro port, weight distribution straps, side cooling zippers,

Features

• 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 and Loop Strip for Custom Patch

Safety

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.

Dimensions

For Dogs Ranging: 20-80 lbs. (9-36 kgs)
Liter Capacity: 50-60

Find your perfect fit here. 

Care & Maintenance

• Let everything air dry fully before folding or storing to prevent odors.
• Lubricate wheels and folding mechanisms occasionally for smooth operation.
• Vacuum fabric surfaces regularly and spot-clean spills promptly.
• Wipe down frames and fabric with a damp cloth after muddy outings.

At a Glance

Frequently Asked Questions

Is it built to last?

Construction details are in the description above - match them to your pet's habits for a durable, long-lasting choice.

Does it require assembly or setup?

Any setup is straightforward - see the features section above. Most owners are ready to use it within minutes of unboxing.

Is the K9 Sport, Kolossus Big Dog Carrier & right for my pet?

Check your pet's size and needs against the specifications listed above; the detailed measurements above will confirm the right match.

About K9 Sport Sack

K9 Sport Sack is the original forward-facing dog carrier backpack, with more than 1 million sold worldwide. Each carrier is sized by your dog's back length and weight class, comes with a 1-year warranty, and is engineered with breathable, weight-distributing designs so you and your pup can adventure together safely and comfortably.