Georgia GHSA Fitted Navy Wool Umpire Cap. Fitted wool umpire cap with the GHSA logo embroidered on the front, made with 12.5 oz ProWool blend serge. Pro model construction. ProCrown shape with buckram-fused front panels, matching crown and undervisor color with black sweatband. Pre-curved PE visor. Choose plate (4-stitch), combo (6-stitch) or base (8-stitch).