This Topps Public Safety Short Sleeve Shirt is made of 4.5 oz. per square yard DuPont NOMEX® aramid. This shirt is made up of the following: three-ply banded collar w/ sewn in stays, two-ply yoke and placket front, five sewn-in military creases w/ epaulets, pleated pockets w/ scalloped flaps which include hook and loop closures at each corner, long rounded tails, loose badge tab (in pocket), and is sewn throughout with NOMEX® thread.