Should fit you fine; I wear same hat size. I don't have a big overhang at the back of my skull; they'll fit better (in terms of not riding up) if you do.
I only use reading glasses and they fit my goggles as well, but if you get the goggles and use glasses you're going to want Focus Fixers anyway to keep things clean and simple. Backlog is now quite long, so order up!
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No, I don't get a commission; just a happy customer.