Trucker Hat - Fitted Cap. Support Military and Federal Agents An ultra-breathable look-fashioned with pique in the front and air mesh in the back-with a stretch fit for comfort. Fabric: 100% polyester pique front panels, 100% polyester air mesh mid and back panels Structure: Structured Profile: Mid This athletic, Flexfit hat is a powerful way to promote Military and Federal Agent support. The Embroidered Thin Green Spartan Line Skull complements the black background. The unique design reflects a commitment to the protection of our communities. To wear the Thin Line is to show your support to the men and women across the country that risk their lives to protect the public.