The Easton S4 BBCOR baseball bat is a solid one-piece aluminum bat that gives
the hitter a traditional stiff feel throughout the swing. Unlike the S3, the
S4 has a 2½" barrel diameter, making it the lightest swinging
aluminum BBCOR bat on the market.
Easton 2014 S4 Comp 2½" Big Barrel Baseball Bats feature:
THT100 scandium alloy barrel for greater durability and expanded
Speed design removes excess mass from the barrel for a lighter swing weight and lower MOI
Barrel size makes this bat the fastest swinging alloy bat on the market