Boys Baseball

Current IESA Baseball Bat Standards

BATS (NFHS Rule 1-3-2)

The following bats are legal for use in IESA contests:

  1. Any non-wood bat containing a silkscreened or permanently marked BBCOR label as detailed in section 1-3-2 of the NFHS baseball rules book or;
  2. Any bat 30 inches and under that has a greater than minus three drop and a barrel diameter of 2 5/8 inches provided that bat contains the USA Baseball logo or;
  3. Any wood bat that meets the NFHS standards as detailed in section 1-3-2 and 1-3-3 of the NFHS baseball rules book.

NOTE 1: All bats 31 inches and over must meet the NFHS bat guidelines and contain the BBCOR label.

NOTE 2: All bats with a 2 1/4" barrel diameter are illegal

NOTE 3: Any bat with a USSSA logo is illegal


The following are examples of legal and illegal non-wood bats. This list is not intended to be all inclusive or all exclusive:

Examples of Legal and Illegal Bats That Do Not Contain a USA Baseball Logo
Length Weight Barrel Diameter Status
31 28 2-5/8"
30 22 2-3/4" Illegal—Maximum barrel diameter is 2-5/8". Additionally this bat will not contain the BBCOR label
30 20 2-1/4" Illegal—No bat with a 2-1/4" barrel diameter is legal
29 18 2-1/4" Illegal—No bat with a 2-1/4" barrel diameter is legal
31 20 2-1/4" Illegal—No bat with a 2-1/4" barrel diameter is legal
28 19 2-1/4" Illegal—No bat with a 2-1/4" barrel diameter is legal
31 28 2-3/4" Illegal—Maximum barrel diameter is 2-5/8". Additionally this bat will not contain the BBCOR label.
29 26 2-5/8"
30 27 2-5/8"
32 22 2-1/4" Illegal—No bat with a 2-1/4" barrel diameter is legal
31 25 2-1/4" Illegal—No bat with a 2-1/4" barrel diameter is legal
30 27 2-1/2"
30 18 2-1/4" Illegal—No bat with a 2-1/4" barrel diameter is legal

Examples of Legal and Illegal Non-Wood Bats That Are Marked With a USA Baseball Logo
Length Weight Barrel Diameter Status
30 20 2-5/8"
31 20 2-5/8" Illegal—All bats 31" and over for use in IESA contests must meet NFHS guidelines including BBCOR label. It does not matter if this bat has a USA Baseball logo. A 31" bat has to be BBCOR labeled.
28 18 2-5/8"
29 18 2-1/4" Illegal—No bat with a 2-1/4" barrel diameter is legal
31 21 2-5/8" Illegal—All bats 31" and over for use in IESA contests must meet NFHS guidelines including BBCOR label. It does not matter if this bat has a USA Baseball logo. A 31" bat has to be BBCOR labeled.
27 15 2-5/8"
29 19 2-5/8"
30 18 2-5/8"
30 20 2-1/2" Illegal—Any bat with a USA Baseball logo must have a 2-5/8" barrel diameter.
30 22 2-5/8"
30 25 2-5/8"
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