Rothco’s Mesh Back Tactical Cap includes a silver and black embroidered flag with a thin blue line centered on the front panel. The Thin Blue Line is a symbol of respect and support for Police and Law Enforcement Officials.This embroidered thin blue line flag measures approximately 3.25” x 1 7/8”. This Rothco cap is a baseball style cap with four mesh, 100% polyester back panels, two 100% cotton front panels and two reinforced vent holes for ultimate comfort and ventilation. The hook and loop closure on this mesh hat makes for the perfect fit!