The golf ball 1, wherein {HEAD ~ the second outer surface hardness} is {TAIL ~ about 40 Shore D} to about 54 Shore D 
is
The golf ball 1 , wherein { HEAD ~ the second outer surface hardness } is { TAIL ~ about 40 Shore D } to about 54 Shore D
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH