This cap is one size fits all with velcro adjustment in the back.  The hat does not stick out lick most hats so it fits close to your head and feels comfortable.  The design is applied using DTF and is sealed to the hat for years of vibrant colors.  Wether your a K9 officers, Military k9 handler, a civilian K9 handler, or a loved one This hat will show your pride and support for the service.