Capture the essence of America's pastime in an authentic, throwback batting practice jersey of the Giants' slugger, Matt Williams. The lightweight, perforated mesh construction detailed with team and number embroidery will keep you cool as you cheer on your favorite team at the stadium or from the comfort of your own home. Brand: MITCHELL AND NESS. Style Name:Mitchell & Ness Matt Williams San Francisco Giants Authentic Mesh Jersey. Style Number: 5331338. Available in stores.