K9 Sport Sack Trainer – Large, Harbor Blue – Ideal for Dogs with 20-22” Back Length – Backpack-Style Training Carrier – Meant for Quick, Non-Strenuous Activities
$64.95
Description
Price: $64.95
(as of Aug 24, 2025 22:45:55 UTC – Details)
From the brand







K9 Sport Sack Urban 3 & Plus 2
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K9 Sport Sack Walk-On
K9 Sport Sack Trainer
K9 Sport Sack Accessories
TRAINING CARRIER – Designed with a minimal frame & breathable mesh siding, the Trainer is the perfect way to introduce your small dog and/or puppy to backpacks. It will fit most comfortably on dog owners with small to medium builds.
FIND THE RIGHT SIZE – The Large is best for dogs with a length of 20-22” from collar to the base of the tail. Typical dog breeds that will fit this size backpack include Australian Shepherd, Small Labradoodle, Border Collie, Brittany & Terrier.
FOR CASUAL, SHORT-TERM USE – In addition to early-stage training, this carrier is great for quick, everyday outings when walking them doesn’t work—commuting, cycling, vet trips, a quick walk on hot pavement, or maybe just when they get tired.
SAFETY – Even though it’s only a temporary solution, the Trainer still comes with all our standard safety features, so you can count on the quality & peace of mind you enjoy with any other K9 Sport Sack purchase.
COMFORT & MOBILITY – This ultra-lightweight backpack features a simplified design that ensures easy on/off use, an ergonomic structure to promote weight distribution, ventilated side panels, a lumbar support strap, and padded shoulder straps.














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