Ages 5U-13U
Baseball Bat Regulations
- All non-wood and laminated bats must display the USA Baseball (USABat) certification mark, indicating compliance with the USA Baseball Youth Bat Performance Standard.
- Bats without the required certification marking are prohibited.
- BPF 1.15 bats are not permitted.
- Maximum barrel diameter: 2⅝ inches.
12U & Under (Little League / Cal Ripken)
- Must have the USA Baseball (USABat) certification mark.
- Maximum barrel diameter: 2⅝ inches.
- BBCOR bats are not permitted.
13U (Babe Ruth)
- USA Baseball (USABat) certified bats are permitted.
- BBCOR .50 certified bats are also permitted.
- Maximum barrel diameter: 2⅝ inches.
Ages 14U–15U
Beginning with the 2026 season, USSSA bats are permitted in addition to USA Baseball (USABat) certified bats for the 14U–15U age divisions.
Approved Bats – Big Barrel (2⅝" or 2¾")
- USA Baseball (USABat) certified bats
- USSSA certified bats
- BBCOR certified bat
- Bats displaying the permanent USSSA 1.15 BPF certification mark (stickers are not accepted)
- Wood bats
Approved Bats – Small Barrel (2¼" or Less)
- USA Baseball (USABat) certified bats
- USSSA certified bats
- Wood bats
Additional Resources:
Approved USA Bat Standard List
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