The FS3 Power Brigade is a -11.5 evenly balanced one piece all composite bat. The main difference is while the FS1 is a 2 piece technology; the FS3 uses a one piece single system design. The one piece single system technology provides increase bat control. The SIC carbon handle employs solid impact construction with spiraled wrapped black carbon fibers to tune out vibration, delivering a better feel and a more forgiving bat. This bat is engineered for the contact hitter or slapper who is looking for consistent control in her hands.