Aren't those bats a smidge longer than regular bats?
A handful of S11 games used that style bats. Radical used yellow ones, as did EATPM and Transporter. Dr Dude used white ones. I think I saw blue ones once, and as already mentioned by the Caveman, Bugs used orange ones.
Orange is a good look on this game. I have a set of orange bats in my parts box, but they are the standard W logo ones. Might have to give them a try in mine when I get to it.