The yin yang symbol usually represents the interconnectedness of the world.  Here, it represents the interconnectedness of a dog and their human(s).  This unstructured, adjustable, six panel, 100% cotton twill, low profile cap with curved bill and adjustable brass buckle for fit is embroidered on one of our popular "girl color" caps, but this design is available on any color cap in our inventory.  Thread colors can be changed to coordinate with any cap color.  Contact us to inquire about available cap colors.