Thin Blue Line Camo Trucker Hat - American Flag Thin Blue Line . The Thin Blue Line Skull Logo Complements The Bold Camouflage Of The Hat. To Wear The Thin Blue Line Apparel Is To Make A Commitment To The Men And Women Across The Country That Risk Their Life To Defend The Public. Specifications for Thin Blue Line Camo Trucker Hat - Skull: Manufacturer: Thin Blue Line Color: Thin Blue Line Package Contents: Thin Blue Line Camo Trucker Hat - Skull