KC Caps 6 Panel Mesh Back Trucker Cap. KC Caps 6 Panel Mesh Back Trucker Cap. 6 panel light brushed twill mesh back trucker cap. Buckram and pre-curved visor. Hook and loop closure with matching front panel. 100% cotton twill. One Size Fits Most. Colors: Black, Black/White, Brown/Khaki, Grey/White, Navy, Navy/White, Red, Red/White, Royal/White.