ALL bats must be either USA certified or BBCOR.
(barrel width not to exceed 2 5/8").
You can always use a wood bat as there are no restrictions on wood bats.
Please be advised that these rules apply only to our in-house baseball program. However, if you play part time travel in the Chicago Sunday League, you MUST use a USA bat in that league.
Please talk to your League Presidents regarding the Bat Rules.