Mizuno MZMC271 Maple Carbon Composite Wood Baseball Bat - BBCOR Certified - Yellow/Black Advanced engineered maple composite barrel with a carbon composite handle for maximum durability. Incredibly light swing weight. - Sanded carbon handle for better grip. Multiple pieces of maple utilized in the barrel for maximum performance and durability. Feel and performance of solid maple but with consistent performance. BBCOR certified - 120 Day manufacturer warranty