Rawlings-patented Dual Core technology the Heart of the Hide Dual Core fielder% gloves are designed with position-specific break points in the glove pattern so players can achieve top-level performance customized for their defensive needs. Additionally these gloves are specially-tanned for a softer feel allowing for less break-in time. Rawlings PRO1175DCBB Baseball Glove Features Dual Core Technology Crafted from authentic Rawlings Pro Patterns Produced by the world% finest glove technicians Soft full grain leather palm and fingerback linings provide exemplary comfort USA-tanned leather lacing for durability 11.75 Infield Pattern Looped Modified Trap-Eze Web Conventional Back One Year Manufacturer s Warranty