‘s Department in central Florida, said. The department fitted its four German shepherd dogs with the vests this week. Made by a company called Second Chance, they weigh about two pounds (900 grams) and are similar to those that human officers wear, except they have four armholes. „They don‘t seem to mind them at all,“ Brown said. „They do not hamper or impede them in any way.“ A local couple donated the $1,000 vests after reading about a police dog that had been wounded in the line of duty. Nationwide, eight police dogs were killed in 1998, according to the U.S. Police Canine Association.