K9 Sport Sack Trainer Backpack Carrier

Affordable backpack dog carrier for small dogs and growing pups. Lightweight, breathable, and ideal for short walks, public transport, and socialization training. Fits pets 4–30 lbs.

🎒 Train, Explore, Bond—Together

K9 Sport Sack® Trainer – Entry-Level Dog Carrier for Everyday Adventures

Looking for a simple, lightweight way to carry your dog while training, commuting, or exploring local trails? The K9 Sport Sack Trainer is the perfect place to start. Designed for dogs 4–30 lbs, this affordable carrier offers a secure, breathable ride for short, low-impact outings with smaller breeds or pups still learning to socialize.

🎯 Perfect for New Pup Parents
The Trainer is ideal for growing dogs, smaller breeds, or pet parents beginning their backpacking journey. It’s also great for short walks, errands, farmers markets, and public transport.

🌬️ Ventilated Side Panels
Mesh ventilation on the sides helps keep your pup cool and relaxed—even on warmer days.

🦴 Comfort for Pup and Person

• Padded shoulder straps reduce strain during wear

• Side cinch straps adjust the fit and balance the load

• Wide base accommodates your dog’s sitting position and tail comfort

• Lumbar support strap (included on sizes S–L) adds back support for pet parents

🚶 Lightweight & Travel-Friendly
Less bulky than advanced models, the Trainer is easy to pack, wear, and clean—ideal for everyday adventures without the extra weight.

💦 Built-In Water Bottle Pocket
Stay hydrated with the convenient side bottle holder—just tuck, zip, and go.

🌈 Fun Colors, Practical Fit
Available in multiple vibrant colors to suit your style. Designed to fit pet parents with a small to medium build.

🐾 Backed by Expert Input
Like all K9 Sport Sack carriers, the Trainer was created with the input of veterinarians, certified dog trainers, and outdoor gear engineers to ensure ergonomic design and pet-safe performance.

📏 Available Sizes: XS–L
For dogs weighing 4–30 lbs (2–13 kg). Use the sizing guide to ensure the best fit for your dog’s length and torso.

🎒 For longer hikes, rough terrain, or heavier dogs, check out the Plus 2 or Knavigate for enhanced support and features.