Collection: K-9 Mattis Collection

Wear one of our most well known Program Members! Choose between our Nine Line Apparel designs on super soft triblend fabrics, our limited-edition K-9 Mattis stars shirt, or even a K-9 Mattis Hugglehounds Knottie for your pup.

K-9 Mattis reached his End of Watch on August 9, 2025. We will always remember him.