Brand new, unused item New Era (NEW ERA) (Men's) LP 59FIFTY MLB On-Field Oakland Athletics Home 11449294 Hat 【M size (Manufacturer size 7 3/8)】58.7cm ● The LP 59FIFTY, also used for official on-field caps by Major League Baseball players, features a low crown design and a pre-curved visor. It uses high-performance materials with high breathability, sweat-wicking and quick-drying properties, and UV protection (UPF50+).