Every time Titleist changes to a new model of Pro V1 and Pro V1x they alter the ball slightly where the text on the ball says “Pro V1” or “Pro V1x.” The text and aiming arrows, or what Titleist fancily calls A.I.M. for “Alignment Integrated Marking” for each model, vary slightly.
When you’re fishing balls out of the lake or the bushes, these photos of the Alignment Integrated Marking will tell you if you found one of the cool new Pro V1’s for 2011.