Rawlings Left Hand Baseball First Base Mitt Adult Black Mark McGwire RFM 37B Unisex Rawlings Baseball First Base Mitt - Adult - Black - Mark McGwire Model RFM 37B, The Finest In The Field, Leather - Good used condition, minor wear from typical use Measurements are pictured. Feel free to ask any questions, and thank you for looking! #rawlings #firstbasemitt #markmcgwire #baseballglove #lefthandthrow