Majestic Matt Harvey New York Mets #33 Youth Cool Base Home Jersey (Youth Medium 10/12) Officially licensed MLB product 100% Polyester - Machine Washable Cool Base technology is made with interlocking moisture-wicking fabric for a lightweight, breathable feel Button front baseball jersey with stitched/sewn team logo at front - screen print player's name and number on back Rounded hem with Heat-sealed jock tag above left hem - Youth 8-20 sizes