Trainer – Puppy & Small Dog Carrier (Greenery)

The Trainer is an affordable, easy-to-use, entry-level backpack dog carrier. Ideal for smaller breeds, puppies and training. Lightweight and simple, it is designed for shorter, non-strenuous activities like walks, hikes, bicycle rides and commuting. This carrier fits most comfortably on dog owners with small to medium builds.

For dogs 4–20 lbs (2–9 kg)

Key Features

• Lightweight, entry-level design
• Lumbar support strap (not included on size XS)
• Ventilated mesh side panels
• Wide base to accommodate your pet and its tail
• Side water bottle pocket
• Padded, ergonomic shoulder straps
• Side cinch straps
• Collar enclosure with carabiner safety clip

Best For

Puppies, training, short walks and commuting.

Sizing Guide

Measure your dog from the collar to the base of the tail, then match the length to the chart below. Size up if your dog has long legs or a wide girth, or if you are tall. Between sizes or carrying a growing puppy? Size up and add a K9 Booster Block.

Safety

All K9 Sport Sack carriers are developed under the close direction of animal professionals, veterinarians, dog trainers and outdoor product engineers to be ergonomic, safe and strong.