The Kolossus | Big Dog Carrier & Backpacking Pack from K9 Sport Sack is the ultimate solution for adventurous pet parents. Newly redesigned and packed with cutting-edge safety and comfort features, the Kolossus is the world’s best big dog backpack carrier—ideal for medium to large dogs. Engineered for versatility, it features adjustable shoulder and torso sizing to fit all body types comfortably. When not carrying your dog, the pack easily converts into a high-capacity (60L) backpacking pack for your gear. Whether you're tackling rugged trails or navigating the city, the Kolossus is built for serious outdoor and urban use.
Features:
Converts from a dog carrier to a 60L gear pack
Supports medium to large dogs
Adjustable fit for all user sizes
Enhanced pet and human safety technologies
Ideal for hiking, travel, and everyday urban adventures
