Babe Ruth / Cal Ripken bat rules
Cal Ripken (typically ages 12 and under) and Babe Ruth Baseball are USA Baseball national member organizations that adopted USABat.
Youth non-woodUSABat mark
BPF 1.15 onlyNot for USABat leagues
One-piece woodGenerally OK
Local chartersConfirm age division
Summary
USA Baseball lists Babe Ruth Baseball / Cal Ripken Baseball among national member organizations that adopted the USABat standard beginning January 1, 2018. Non-wood youth bats need the USA Baseball certification mark. Solid one-piece wood bats may be used with or without the mark.
Older Babe Ruth age groups may transition toward BBCOR — check your charter’s current rulebook for 13–18 divisions.
Source: USA Baseball — About USABat
We cite the national USABat adoption here. Individual Babe Ruth / Cal Ripken charters can publish local amendments — confirm with your league.
Page reviewed: October 22, 2026