B310P Police variant - Featuring epaulettes, Loop panels for badges & Front loops attachment points for radios/ cameras and other equipment.
 
 
That outer fabric is a 50% cotton 50% polyester tight weave Ripstop with a DWR finish, proven over many years to be effective, enduring and dependable beyond expectation. The weave is far quieter than most nylon outers and the 50/50 blend presents a low melt hazard.