About Franklin Sports In 1946, brothers Irving and Sydney Franklin founded Franklin Sports in Brockton, MA. As the company grew, Franklin"s headquarters moved to a larger facility in Stoughton, MA. What began as a business specializing in manufacturing leather sporting good items for the youth market has expanded successfully with the addition of distribution partners in Europe, Japan, Australia, Mexico, and Canada. As proof of Franklin"s top-quality products, the Franklin batting glove is the official batting glove of Major League Baseball. From professional athletes to the youngest novices, Franklin meets the needs of all, with innovative products and exceptional value. Team jersey made of 100% polyester. Batting helmet comes with a adjustable liner. Set includes jersey, wristbands, and helmet. Jersey and wristbands are machine washable. One size fits all.