Take your big dog on every adventure with the Kolossus Big Dog Carrier & Backpacking Pack, designed for dogs weighing 20–80 lbs. This premium, dual-purpose backpack combines ergonomic comfort, top-of-the-line safety, and maximum versatility for pet parents who love the outdoors.

The Kolossus is fully adjustable for all body types with padded shoulder and torso straps, ensuring comfort even during long hikes or bike rides. When you’re not carrying your furry friend, the backpack converts into a 50–60 liter gear pack, perfect for hiking, travel, or public transit.

Engineered under the guidance of veterinarians, dog trainers, and outdoor product engineers, the Kolossus provides superior pet support, stability, and safety, making it the ultimate carrier for medium to large dogs who deserve to join you on every adventure.

✅ KEY FEATURES.

Premium design for pet comfort, human ergonomics, and adventure-ready versatility.

✅ BULLET POINTS.

🐶 For Medium to Large Dogs – Supports pets from 20–80 lbs, sizes L–XXL.
🎒 Dual-Purpose Backpack – Converts from a dog carrier to a 50–60 liter gear backpack.
💪 Ergonomic & Adjustable Fit – Adjustable shoulder and torso straps for all body types.
🏞️ Outdoor Adventure Ready – Ideal for hiking, biking, travel, and public transit.
🛡️ Top-of-the-Line Safety – Developed with veterinarians, dog trainers, and outdoor engineers.
🧳 Strenuous Activity Friendly – Designed for long hikes or heavy loads without sacrificing comfort.
🔒 Secure & Comfortable for Dogs – Keeps pets safely in place while providing lumbar support.
💼 Premium Construction – Durable materials for long-lasting performance in all conditions.