Mizuno Maple Carbon Composite MZMC243 Adult Wood Baseball Bat - Grey & Blue - BBCOR BBCOR certified. - 120 day warranty. Advanced engineered maple composite hitting surface. - Feel and performance of solid maple but with consistent performance Lightweight Tilia wood core utilized to reduce weight. - Incredibly light swing weight Reinforced carbon wrapped handle and taper for maximum durability. - Sanded carbon handle for better grip Multiple pieces of maple utilized in the barrel for maximum performance and durability