Newly redesigned, the Kolossus is THE WORLD'S BEST big dog backpack carrier that also doubles as a backpacking pack. Ideal for carrying medium to large dogs with top of the line technologies in pet and human safety and comfort. Adjustable shoulder & torso sizing for all user sizes and maximum comfort. When you’re not carrying your 4-legged friend, the backpack converts to carry your gear with up to 60 liters of space. This pack is ideal for serious use in outdoor or urban environments.Â
Recommended Uses
- Navigating crowded places, airports, and busy sidewalks with ease
- Homes with multiple pets or limited space
- Apartment living where quick outdoor breaks are the norm
- Everyday walks, vet visits, and car trips
Care & Maintenance
- 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.
- Let everything air dry fully before folding or storing to prevent odors.
Frequently Asked Questions
Is the Kolossus | Big Dog Carrier & Backpacking Pack 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.
How do I clean and care for it?
Follow the care instructions above - regular cleaning keeps it hygienic, looking its best, and safe for daily use.
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.
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.
