'Pro V1' on hats

TT,

Does anyone know why the Titleist caps only show 'ProV1' and not 'Pro V1x'?

well ProV1x is technically a ProV1... ProV1 is the family of balls.  That is purely my interpretation.

Mike or anyone??

probably the X is a submodel of the V1. They are both ProV1... I would buy a hat with the x on it... I thought about brining my caps in and having them changed... lol