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3 Manufacturermustdemonstratethattheinterchangeablebatfailsinasafe
manner(i.e.visibledamagebeforelockingfeature(s)fail(s)).
4 Batcomponentsmustbedesignedinawaytopreventuncertied
equipment alterations.
Note: If the bat is not constructed of wood, and not made of one-piece construction
with the barrel end closed, the barrel end shall have a rubber or vinyl plastic or other
approved material insert, or end cap at the large end of the bat.
SECTION 2 - WARM-UP BAT
Thewarm-upbatshallmeetthefollowingrequirementstobeapproved:
A. Stampedwith1/4inchlettersWBoneitherendofthebatormarkedinone-inch
lettersthewordsWARM-UPBATonlyonthebarrelendofthebat.
B. Thewarm-upbatshallcomplywiththesafetygripandthesafetyknobrequirements
oftheocialbat.
C. Beofone-piececonstructionoraone-piecepermanentlyassembledbatthatclearly
distinguishesitselfasawarm-upbatandisapprovedbyUSASoftball.
D. Theknobshallhaveadiameterofatleast1.6incheswithnosharpedges.Theknob
willbepermanentlyattachedtothebatandmaybecoveredwithgriptape.
E. OnlyapprovedattachmentsincludedinthelistpublishedbyUSASoftballcanbe
usedonwarm-upbats.
SECTION 3 - OFFICIAL SOFTBALL
A. CERTIFIED/APPROVED:OnlysoftballswhichbearanASAorUSASoftball
approvedcerticationmarksignifyingcompliancewiththeBallCORandBall
Compressionlimitationsthenineect,andwhichsatisfyallotherapplicable
provisionsinRule3,Section3,willbeallowedforuseinUSASoftballPlay.USA
Softballhasdevelopedtwocerticationmarksforsoftballs.Onemarksignies
BallCompression300lbsorless.TheothersigniesBallCompressionofmore
than275lbs,butlessthan375lbs.TheballmustnotappearontheUSASoftball
Non-ApprovedBallList.Themarkingsarealsodistinguishablebycolor,wheregreen
representsaBallCORof.520orunder,redrepresentsaBallCORof.470orunder,
blackrepresentsaBallCORof.440orunderandbluerepresentsaBallCORof
.400orunder.Oneofthefollowingmustbeappropriatelyandindeliblystampedon
eachsoftballallowedforuseinUSASoftballChampionshipPlay.
GreenColored
Marking&Stamp
Max 300.0 lbs
Max .520 cor
RedColoredMarking
& Stamp
Max 300.0 lbs
Max .470 cor
BlackColoredMarking
& Stamp
Max 300.0 lbs
Max .440 cor
BlueColoredMarking
& Stamp
Max 300.0 lbs
Max .400 cor
RedColoredMarking
& Stamp
275.0 - 375.0 lbs
Max .470 cor
BlackColored
Marking&Stamp
275.0 - 375.0 lbs
Max .440 cor
BlueColoredMarking
& Stamp
275.0 - 375.0 lbs
Max .400 cor
B. COVER:Theocialsoftballshallhaveacoverofleatherorsyntheticmaterial.
Theballshallberegular,smooth-seamed,andsmooth-surfaced.
C. THE 16-INCH BALL:Theocial16-inchsoftballshallbeatleast16.0inchesin
circumferencewhenmeasuredacrosstwoseams,andshallweighatleast9.0
ounces.The16-inchballshallhaveawhitecover,whitestitches,aBallCORof
.470orunder,andaBallCompressionof375.0lbs.orunder.The16-inchball
shallbeusedinthefollowingUSASoftballplay:AllMen’s16-inchSlowPitch.
D. THE 14-INCH BALL: Theocial14-inchsoftballshallbeatleast14.0inchesin
circumferencewhenmeasuredacrosstwoseams,andshallweighatleast8.0
ounces.
E. THE 12-INCH BALL:Theocial12-inchsoftballshallbe117/8–121/4inches
incircumferencewhenmeasuredacrosstwoseamsandweigh6.50-7.00
ounces.Itshallhavenofewerthan88stitchesineachcover,sewnbythetwo
needlemethod,orwithanauthenticfacsimileofstitchingasapprovedbyUSA
SoftballItisacceptablefortheSlowPitchballtobemoldedandthefacsimileof
88stitchesmustbered.
1 Fast Pitch Ball:Theyellowopticcover,redstitch12-inchballwitha
BallCORof.470orunderandaBallCompressionof275.0-375.0lbs.
shallbeusedinthefollowingUSASoftballplay:
a.Women’sandWomen’sMastersFastPitch,Girls12,14,16
and18-underFastPitch
b.Men’s,Men’sMaster'sandMen’sSeniorsFastPitch,Boys
12,14,16and18-underFastPitch(mayhavewhitecover,white
stitches)
2 Modied Pitch Ball:Thewhitecover,redstitchoryellowopticcover,
redstitch12-inchballwithaBallCORof.470orunder,andaBall
Compression of 275.0 - 375.0 lbs.
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