Joe's USA Koloa Surf - Thruster Surfboard Logo Mesh Back Trucker Hats in 12 Colors. Koloa Surf(tm) Thruster Logo Mesh Back Trucker Hats in 7 Colors. Breathable and comfortable, Keep on truckin' in this old-school, colorful favorite. Thruster with Koloa Surf(tm) Logo. Wear the Koloa Surf Trucker Cap with your shorts and tees for effortless casual style!100% polyester foam Structured.100% polyester foam High profile Plastic snapback closure - ONE SIZE FITS ALL