Take your dog everywhere — hands-free. The K9 Sport Sack Trainer is the easy-to-use, entry-level backpack dog carrier trusted by thousands of dog owners. Ideal for smaller breeds, growing puppies, and dogs learning to socialize. Perfect for walks, hikes, public transportation and everyday adventures.
Why you'll love it
Vet-approved design — developed with veterinarians, dog trainers and outdoor product engineers for ergonomic, safe support
Comfortable for both of you — padded shoulder straps and lumbar support strap (sizes S–L)
Breathable — ventilated side panels keep your dog cool
Room for the tail — wide base accommodates your pet comfortably
Practical — side water bottle pocket and adjustable cinch straps
Size guide
Size
Back length (collar to tail)
X-SMALL
10"–13"
SMALL
13"–17"
MEDIUM
17"–20"
LARGE
20"–23"
For dogs from 4 to 30 lbs (2–13 kg). Measure your dog from collar to base of tail and choose the matching size. Between sizes? Size up.
Specifications
Weight range: 4–30 lbs (2–13 kg)
Colors: Iron Gate, Greenery, Harbor Blue
Best for: short walks, hikes, public transport, travel
Fit: most comfortable on owners with a small to medium build
Shipping & Returns
🇺🇸 Fast U.S. shipping — delivered in 2–4 business days. Easy returns: contact us within 30 days of delivery and we'll make it right.
