Load image into Gallery viewer, K9 Sport Sack Kolossus
Load image into Gallery viewer, K9 Sport Sack Kolossus
Load image into Gallery viewer, K9 Sport Sack Kolossus
Load image into Gallery viewer, K9 Sport Sack Kolossus
Load image into Gallery viewer, K9 Sport Sack Kolossus
Load image into Gallery viewer, K9 Sport Sack Kolossus

K9 Sport Sack Kolossus

Regular price $293.00
Sale price $293.00 Regular price
Sale Sold out
Unit price
/per 
Shipping calculated at checkout.
Color:
Black
Size:
This is a pre order item. We will ship it when it comes in stock.
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** Please measure your dog before ordering to ensure the correct size. Measure from collar to base of tail**

The Kolossus is the world’s best backpack carrier for bigger dogs, built to keep both you and your pup safe and comfortable. It combines advanced features for pet and human support, including an adjustable shoulder and torso fit to suit all body types.

Designed for medium to large dogs, it’s perfect for serious adventures—whether you’re exploring the outdoors or moving through the city. When you’re not carrying your dog, the Kolossus easily converts into a full backpacking pack with up to 60L of storage for your gear.

*Please note: We do not manufacture or sell the backpack patches.

** Please note: After purchasing when fitting your dog in the pack, ensure your dog is sitting in the pack. The pack may seem too small when your dog is standing but the measurements will be correct once they relax and crouch in the pack. **

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.

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Shipping options

  • Free Shipping on all orders over $100 (after discounts, before tax) in Canada and the US
  • UPS: Standard and Expedited Shipping, Purolator Ground Shipping (good for remote locations)
  • Local Pick up available to those residing in Calgary, AB

Processing and delivery time

  • UPS Standard Delivery: 1 to 7 business days
  • UPS Expedited Delivery: 2 business days
  • Purolator Ground: 2 or more business days based on your address

Important note on free shipping eligibility

To qualify for free shipping, your order total must be $100 or more after any discount codes are applied and before tax. If your total falls below $100 after applying a discount, shipping will be calculated and applied at checkout.


International Orders (Outside Canada)

Customs, duties, and taxes may apply and are not included in the shipping fee. These charges are the customer’s responsibility.

If your dog decides they don't like the gear we have a 30-day return policy. The item must be in NEW condition with the original packaging and tags.

Return shipping is paid by you, but should you decide you'd like to exchange your gear we will reship free of charge.

Please send returns/exchanges to the address below and include your order number and a note that you wish for a refund/exchange

Rocky Mountain Dog
3220 30 ST SW
Calgary, AB T3E 2M7

Shipping

Shipping options

  • Free Shipping on all orders over $100 (after discounts, before tax) in Canada and the US
  • UPS: Standard and Expedited Shipping, Purolator Ground Shipping (good for remote locations)
  • Local Pick up available to those residing in Calgary, AB

Processing and delivery time

  • UPS Standard Delivery: 1 to 7 business days
  • UPS Expedited Delivery: 2 business days
  • Purolator Ground: 2 or more business days based on your address

Important note on free shipping eligibility

To qualify for free shipping, your order total must be $100 or more after any discount codes are applied and before tax. If your total falls below $100 after applying a discount, shipping will be calculated and applied at checkout.


International Orders (Outside Canada)

Customs, duties, and taxes may apply and are not included in the shipping fee. These charges are the customer’s responsibility.

Returns & Exchanges

If your dog decides they don't like the gear we have a 30-day return policy. The item must be in NEW condition with the original packaging and tags.

Return shipping is paid by you, but should you decide you'd like to exchange your gear we will reship free of charge.

Please send returns/exchanges to the address below and include your order number and a note that you wish for a refund/exchange

Rocky Mountain Dog
3220 30 ST SW
Calgary, AB T3E 2M7