K9 Sport Sack Kolossus Dog Carrier Backpack for Large Dogs | L–XXL, 9–36 kg
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K9 Sport Sack Kolossus – dog carrier backpack for large dogs
The K9 Sport Sack Kolossus is the dog carrier backpack for large dogs from 9 to 36 kg. Your dog sits at the front of the pack with its head out. An internal frame, adjustable shoulder and torso height and weight distribution straps help you carry the load. Without your dog, the Kolossus converts into a hiking backpack with up to 60 litres of space.
✔ For dogs from 9 to 36 kg, sizes L, XL and XXL
✔ Converts into a hiking backpack with up to 60 litres
✔ Adjustable shoulder and torso height
✔ Padded internal frame and padded, ventilated back panel
✔ Removable lap belt with hip pockets and waste bag dispenser
✔ Detachable sun and rain hood for your dog
✔ Colours: Myrtle Green and Black
✔ Free delivery in the EU
Which size do I need?
1. Measure your dog from the collar to the base of the tail. Length determines the size:
- L: 51–56 cm
- XL: 58–64 cm
- XXL: 66–74 cm
2. Take build into account. Is your dog broad, muscular or stocky, or between two sizes (for example 57 cm or 65 cm)? Then choose the larger size.
Is your dog a little loose in the pack? A K9 Sport Sack Booster Block (M/L version, suitable for the Kolossus) raises the base so your dog sits securely.
From a customer: with a 20 kg English bulldog (broad chest, short build), size XL with one or two booster blocks gave the best fit.
Kolossus or Knavigate?
| Kolossus | Knavigate | |
|---|---|---|
| Sizes | L – XXL | XS – XL |
| Dog length (collar to tail) | 51–74 cm | 25–66 cm |
| Dog weight | 9–36 kg | 2–23 kg |
| Internal frame and hip belt | ✔ | ✔ |
| Removable storage pack | ✔ | – |
| Detachable sun and rain hood | ✔ | – |
| Converts to a hiking backpack | ✔ (50–60 litres) | – |
| Ideal for | Long hikes with bigger dogs | Walks, cycling, public transport and day trips |
Kolossus features
- Converts into a hiking backpack
- Adjustable shoulder and torso height
- Removable lap belt with hip pockets and waste bag dispenser
- Internal frame with inner padding for your dog's comfort
- Padded back panel with increased airflow
- Removable storage pack with dog back support and hydration port
- Weight distribution straps
- Side cooling vent zips
- Wide base with room for your dog and its tail
- Detachable sun and rain hood for your dog
- Lumbar straps that support your dog's back
- 300D ripstop Oxford polyester
- Hook-and-loop panel for patches
Personalise your dog backpack
The Kolossus has a hook-and-loop panel for K9 Sport Sack Patches, from funny slogans to useful warnings.
Video: the Kolossus in use
FAQ
Which K9 Sport Sack Kolossus size do I need?
Measure your dog from the collar to the base of the tail: L 51–56 cm, XL 58–64 cm, XXL 66–74 cm. If your dog is between two sizes or broad or muscular, choose the larger size. If it sits loosely, raise the base with a K9 Sport Sack Booster Block M/L.
What weight is the Kolossus suitable for?
The Kolossus is made for dogs from 9 to 36 kg. Your dog's length determines the size, and its weight should stay within this range.
What is the difference between the Kolossus and the Knavigate?
The Kolossus comes in L to XXL for dogs from 9 to 36 kg. It has a removable storage pack and a sun and rain hood, and converts into a hiking backpack. The Knavigate comes in XS to XL for dogs from 2 to 23 kg.
Can I use the Kolossus without my dog?
Yes. The Kolossus converts into a hiking backpack with up to 60 litres of space for your own gear.
Is the Kolossus comfortable to carry?
Shoulder and torso height are adjustable. The internal frame, removable lap belt, weight distribution straps and padded back panel help you carry your dog's weight.
Where can I store water and snacks?
In the removable storage pack, which also supports your dog's back and has a hydration port. The hip belt pockets also include a waste bag dispenser.
Does my dog stay cool in the backpack?
The Kolossus has side cooling vent zips and a detachable sun hood. On warm days, still take regular breaks and give your dog water.
Which colours is the Kolossus available in?
Myrtle Green and Black, in sizes L, XL and XXL.
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