The year was 1989 the game of baseball would change forever with the introduction of shale and clay infield mix used on the infield. It was an anticipated change that made many happy players, coaches, team owners, and fans alike. Nearly 30 years later, ground keepers still trust this top mix for their ballfields. Fast-drying, safe, smooth, and durable, the red infield material also provides a consistent playing area that helps athletes perform at their best.