You can find baseball batting helmets, hats and a couple other things, it's more fan stuff, but you can find em at
Link hidden: Login to view, type in baseball in the search bar. I came up with 537 results. I don't think you have to be logged in to search. I'll give you a couple prices if you find something your interested in. That way you don't have to get a membership and find prices are too high. (I am not trying to sell to you, just give you a price list idea)