“That’ll Leave a MARK” – Limited Edition K9 Hoodie

Stand behind those who run toward danger.

The “That’ll Leave a MARK” hoodie is a limited-edition release featuring K9 Petey of the Upland Police Department—a working police dog on the front lines of crime prevention.

Design details

• Back graphic showcases K9 Petey in a bold, high-impact illustration with the phrase “That’ll Leave a MARK.”

• Front features our signature half-flag paired with the AK-9 logo.

• Aderhorst K9 branding runs cleanly down the sleeve.

Purpose-driven apparel

• 10% of all sales are donated to the Upland Police K9 Foundation, directly supporting training, equipment, and care for active-duty K9s.

This hoodie isn’t just apparel—it’s a statement of support for working dogs and the handlers who trust them with their lives.

Wear it with pride.
Help make a difference.
And help K9 Petey continue to take a bite out of crime.