UA Leadoff Low RM Jr. Baseball Cleats Synthetic upper is lightweight & durable with perforations in the toe box for added breathability. Durable overlay on toe cap for added protection. Padded collar & heel construction for ultimate step-in comfort. Full-length EVA midsole for added comfort, cushioning that evenly distributes cleat pressure underfoot. Rubber molded cleats provide optimal traction & durability on all field surfaces.