Why Can’t You Buy the Best Red Sox Cap Of All-Time?

I buy a new Sox hat around this time every year and, my puppy having chewed through all but two of the caps in my collection, I decided it was time to pounce on the old-school, red-on-navy fitted once more, the best cap the Sox have had without it being particularly close:

But this time, I couldn’t really find it. What you see above isn’t even the genuine article (material is wrong), just a color match. It’s not just that this particular throwback fitted is hard to find, either.