The Easton SSR1B Stealth Clarity Composite -10 Fastpitch Softball Bat is equipped with Easton's patented Integrated Matrix Technology. Easton is the only company that is capable of producing a bat, straight out of the wrapper, that has 98 MPH level performance. ----2009 Easton SSR1B Stealth Clarity Composite -10 Fastpitch Softball Bat ----Model SSR1B ----Weight 22oz ----Barrel Dia 2 1/4" ----98+ MPH performance ----Patented ConneXion technology ----IMX Composite Technology ----Extended Flex Design