 In Ontario, operational (duty) uniform consists of a pair of black cargo pants (or tactical pants), a button up black shirt (with 'Medical First Responder' reflective on the back) or a Polo shirt.All will be marked with "Medical First Response" and "St. John Ambulance Volunteer" crests on both sleeves.Members in training or are working towards their MFR qualification will either wear a white shirt with "St John Ambulance Volunteer" crests on both sleeves, a black polo shirt, or an unmarked white dress shirt for probationary observers.