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K9 Sport Sack Walk-On With Harness & Storage

For Dogs Ranging 4-30 lbs (2-13 kg)

The Walk-On is a lightweight, packable backpack dog carrier, with a compatible harness and storage bag made for small to medium sized dogs.

K9 Sport Sack have created an all new dog walking/hiking experience for those looking for ONE product that allows you to WALK your dog, STORE your gear, and CARRY your dog. 

They want to encourage a healthy and balanced lifestyle for all dogs. This product was created for dog owners who primarily walk their dog and also want the option to carry their dog if needed.

The Walk-On is a short distance carrier and used for the end of walks or hikes, giving your dog a break while exercising or in case of an emergency situation.

Walk-On features 3 unique products to be used as a set or individually: Harness, Storage bag, and Backpack Carrier


K9 Sport Sack Packable Dog Carrier 


  • Made with a lightweight and padded mesh
  • 3 Reinforced D-Ring connection points
  • Adjustable and durable webbing for a custom fit
  • Interfaces with the inside of the backpack to secure your dog when being carried
  • Outfitted with buckles to connect to the storage bag allowing your pet to carry its gear

Storage Bag

  • Lightweight and durable ripstop nylon
  • Equipped with a D-Ring for different attachment options
  • Able to pack and store your backpack carrier when not in use
  • Fasten to your backpack to give your pet lumbar support
  • Buckle clips to the harness and let your dog carry its backpack and other gear on its back
  • Includes removable base to provide padding when worn by dog on the harness
  • 3 hook & loop strips for patch personalization

Packable Backpack Carrier

  • Lightweight and durable ripstop nylon
  • SBS auto-locking zippers.
  • Sternum strap with avalanche whistle clip
  • Wide and lightly padded shoulder straps
  • Breathable mesh from top to bottom providing air ventilation
  • Removable padded dog base
  • 3 hook & loop strips for patch personalization

Sizing & Specs

Walk-On K9 Sport Sack

For Dogs Ranging 4-30 lbs (2-13 kg)

Sizing: Correct fit for the Walk-On is determined by the harness measurements.
Example: A dog fitting a size M harness will fit the included storage and carrier. 
Neck - Measure around the neck where the collar would rest. Chest - Measure the widest part of your dog's chest.

Size Neck Chest Recommendation
Extra Small 11 - 13" / 28 - 33cm 11-15" / 28 - 38cm Measure for size
Small 13 - 15" / 33 - 38cm 13 - 18" / 33 - 46cm Measure for size
Medium 15 - 17" / 38 - 43cm 15 - 21" / 38 - 53cm Measure for size
Large 17 - 19" / 43 - 48cm 17-24" / 43-61cm Measure for size
Extra Large+ N/A N/A Go to Knavigate or and Rover 2 models

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. Do not use any of the K9 backpacks with dogs who have injuries or disabilities that could be further exacerbated.