The Pro Prime Signature Series CY22 features a traditional, slight knob taper, medium barrel and slightly end-loaded swing weight Christian Yelich has loved his entire career. An all-new surface hardening process, including our Professional Series Finish paired with UV light treatment, results in bats that are 30% harder than previous Louisville Slugger Prime models. The Pro Prime CY22 is accompanied by an industry-leading 75-day limited warranty. Restrictions apply. Visit the Limited Warranty page on slugger.com for complete details.