Tetra-Core Technology optimizes performance by utilizing an inner core tube increasing compression for unmatched responsiveness. Sensi-Flex maximizes energy transfer from handle to barrel increasing bat head speed through the hitting zone while eliminating vibration. 100 Composite . Made in USA. UPC 658925029530Model Number: CHIL10-33-inch-23-oz Brand: Miken Archive | Link To Ballgloves Price Check |