Smart design. Everyday versatility. Built for dogs on the move.
The K9 Sport Sack Urban 3 is a sleek and functional backpack-style dog carrier designed for city living, travel, and light adventures. Suitable for dogs weighing 4–40 lbs (2–18 kg), this modern carrier doubles as a traditional backpack when not in use. With thoughtful features like a padded laptop sleeve, expandable storage, and dual cinching enclosures for your dog’s safety and comfort, the Urban 3 makes it easy to take your pup wherever life takes you.
Key Features:
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Convertible Design: Functions as both a dog carrier and a sleek everyday backpack
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Padded Laptop Sleeve:
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XS: 7.5” x 10”
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S: 8.7” x 12.3”
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M/L: 9.7” x 14”
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Waist Support Strap: Enhances comfort and weight distribution for longer wear
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Fold-Top Closure with G-Hooks: Gives the appearance and functionality of a classic backpack
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Expandable Side Pockets: Ideal for water bottles, treats, or travel essentials
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Padded Back Panel: Ensures comfort during extended use
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Base Storage Pocket:
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XS/S: 8” x 3”
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M/L: 10” x 3”
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Side Zip Ventilation: Improves airflow for your dog’s comfort
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Dog-Friendly Features:
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Dual Cinching Collar Enclosure for a secure neck fit
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Dual Cinching Lumbar Straps to support your dog’s body
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Dog Leg Openings for a natural, comfortable posture
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Carabiner Safety Clip to attach to your dog’s harness
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MOLLE Webbing Loops: Attach accessories or pouches with ease
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Sternum Strap: Keeps the carrier stable during movement
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Available in Two Colours: Choose a look that suits your lifestyle
Available Sizes:
Whether you’re heading to a coffee shop, commuting, or exploring the city, the Urban 3 is the go-to choice for dog owners who want comfort, style, and flexibility in one well-designed carrier.
City smart. Adventure ready. Designed for modern dog life.

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.
Most orders are dispatched the same day when placed before 12 noon. Occasionally, we may need to source stock from our suppliers, which could result in a delivery time of up to 14 days. If this applies to your order, we’ll be in touch to let you know. If you’re unsure or have any questions, feel free to reach out to us via our online chat.
UK mainland delivery costs
- Orders between £0 - £49.99 are delivered for just £4.99
- Orders between £50.00 - £99.99 are delivered for just £6.99, however there are a select few individual items with a fixed shipping charge of £10.00 due to their size.
- Orders over £100.00 are delivered for just £9.99.