Jurassic Park Trucker Hat Mesh Hat Adjustable Cap Jurassic Park Hat Brand New adults one size fits most, Jurassic Park Trucker Hat with adjustable closure in the rear. Foam Hat with poly mesh back. Color - Brown / White CAP FEATURES: 100% Polyester Front 100% Nylon Mesh Back 5-panel cap Seamless Foam Front Panel with Lining 8 Rows Stitching on Visor Matching Fabric Under visor Adjustable Plastic Snap