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🎒 Carry your pup in style—because your dog deserves the VIP treatment!
The K9 Sport Sack Urban 3 Medium in Concrete is a versatile, dual-use backpack designed for medium-sized dogs (17-19” back length). Crafted from sleek faux leather, it converts instantly from a professional everyday pack with a padded laptop sleeve to a breathable, secure dog carrier featuring patented arm holes and vet-approved cinch straps. Lightweight and comfortable, it supports dogs up to 30 pounds, making it the ultimate urban companion for busy millennials who refuse to leave their furry friends behind.
















| ASIN | B0C7GPKLGJ |
| Additional Features | Breathable |
| Best Sellers Rank | #18,390 in Pet Supplies ( See Top 100 in Pet Supplies ) #24 in Dog Carrier Backpacks |
| Brand | K9 Sport Sack |
| Brand Name | K9 Sport Sack |
| Closure Type | Zipper |
| Color | Concrete |
| Compatible with Vehicle Type | Bicycle |
| Customer Reviews | 4.3 out of 5 stars 244 Reviews |
| Dog Breed Size | Medium |
| Global Trade Identification Number | 00810080630888 |
| Included Components | Dog Carrier Adjustable Backpack |
| Item Dimensions L x W x H | 20.5"L x 9.5"W x 1.5"H |
| Item Type Name | Dog Carrier Adjustable Backpack |
| Item Weight | 0.7 kg |
| Manufacturer | K9 Sport Sack |
| Manufacturer Part Number | URB3 |
| Material | Faux Leather |
| Material Type | Faux Leather |
| Maximum Weight Recommendation | 30 pounds |
| Model Name | URB3 |
| Model Number | URB3 |
| Number of Items | 1 |
| Pet Type | Dog |
| Product Dimensions | 20.5"L x 9.5"W x 1.5"H |
| Product Style | Urban 3 |
| Recommended Uses For Product | Travelling, Walking |
| Size | Medium |
| Special Feature | Breathable |
| Target Audience | Dog |
| Target Species | Dog |
| UPC | 810080630888 |
| Unit Count | 1 Count |
| Warranty Description | Includes, but is not limited to, manufacturer defects, product malfunctions, sizing issues and incompatible dog personalities within 60 days of purchase. Does not cover damage caused by abnormal pet chewing, tearing or other defacement as well as common wear from use, or use of dogs exceeding the weight and height limit set for each product. If your product is deemed to meet our K9 Ruff & Tuff Gua… |
H**N
Awesome backpack!
Highly recommend this backpack! It’s so easy to put my dog in and I can take her everywhere! I keep it in the backseat of my car and whenever we stop somewhere, I just put her on my back and we run our errands. It’s so nice to be able to take her everywhere with me. She never complains, she loves it and she is so comfortable.
M**N
Great travel dog backpack
I have 4 pugs who love to adventure everywhere with me, but get very tired out fast, so this backpack was a must for me! It is amazing and holds my pugs well. Highly recommend for any hikers or travelers! I bought the Large and wouldn’t go any lower in size if you have a dog over 10 pounds.
M**N
Comfy
Love this back pack. The shoulder straps don’t have that horrible mesh that shreds your skin.
Y**R
Runs small!
Beautiful and well-made bag, but you really want to go a size up. I measured my dog before ordering and it still was way too small. Additionally my package was a very sloppily repackaged return (still had the previous customer's address on the bag with original packaging missing.
K**.
Love the backpack!
Our 32lbs ~14yr old cockapoo (built more like a cocker spaniel) LOVES this! Bought in large and she fits well/comfortably.
B**G
Good quality
Too small for a 23 lb. Pug. Works well for the 18 lb pug. Secures her nicely. couldn't fit if she was any bigger but she like it. And has been using it for a few years now. seems to be very durable
A**Z
Great for hiking with a 15 pound dachshund. Medium size was good however small would work
I love this! I got the medium size for my dachshund who is 15 pounds. He probably could’ve done with a smaller one but the medium size also worked really well. I needed a bag for my dog for when we go on long hikes since he gets tired quickly. Since he’s heavy I really could only wear him on my back for about 15 minutes at a time. However my husband seemed to have no issues. It stores easily since I can just fold it up. I felt as though it was safe and sturdy and that he couldn’t get jump out of it.
R**R
If you have nothing nice to say...
Susie is a mix breed, I measured her and weighed her before ordering, just under 22" from shoulders to tail and 43lbs. Cons: 1) This sack is no where near a large, it's more of a sm-edium, I could not even get her front legs into the holes without worrying she would be hurt and then it wouldn't zip up and had to use the clips only to hold her. 2) The shoulder straps are sewn on extremely low. If your pup is fully filling this sack out, the majority of their weight will be at the top of it which means they just lean back putting MASSIVE strain on your shoulders and abs if you're trying to sit or stand straight up without leaning forward. 3) The sack is very cheaply made, it held together for one short ride but I honestly will not trust it again. I was expecting some durable material like my old green army sack but this thing, it feels like a cheap windbreaker. Pros: N/A Do not buy. All thumbs down.
P**L
Dissapointed in quality
One of the straps wasn't properly sown. Good thing I took the backpack without the dog in it when the strap broke. Returned and gonna try ordering another one. Having received the second one I can't but feel the cheap quality. Don't expect the same quality you'd get in a regular backpack for the price. the carabiner that came with the second one has a faulty spring so it's not working properly. Disappointed, but I'm not expecting other brands to be better in the pooch carrying sector
A**A
Exactly what I was looking for
We love it! I was looking for something to take my dog on longer hikes with me, this is perfect and so cute! And the quality is great. I got a medium size for my 16lbs Havanese, her back length is 15-16 inches and the medium is perfect, we haven’t taken it on a hike yet but so far she seems to be comfortable in it and now she can finally join our longer adventures on the mountains, would recommend!
I**.
Très satisfaite de mon achat
J’adore! Très bien conçu et facile à utiliser. Mon chien est trop bien dans ce sac à dos. Caniche Toy de 12 lbs, j’ai pris le Urban 3 médium, avec un bloc réhausseur en plus et c’est parfait.
M**E
Très bon
Très bon sac et l'ajout de la sangle de taille est un plus.
S**A
the best backpack
It's the best backpack I've bought for my 10-month-old puppy. Now I can take him everywhere—whether I'm biking, riding a scooter, or using public transportation. I highly recommend it! My puppy is a 10 kg poodle, but I hardly feel his weight on my back. The material also feels very sturdy and durable, and the backpack is comfortable to wear.
Trustpilot
2 months ago
2 weeks ago