The bat may not exceed 34" in length, and the bat barrel may not exceed 2 5/8" in diameter.  All aluminum/alloy barrel bats and all composite handle (only) aluminum/alloy barrels are allowed.  Only composite barrel bats certified and marked BBCOR .50 will be allowed.  Wood barrel bats conforming to the specifications of Official Baseball Rule 1.10 are allowed.

For a complete description of the Babe Ruth 13-15 division bat rules please see the Babe Ruth bat page.