Style in every stitch, power in every swing! Layer on the New Era White Sox Alpha Jacket to seize the winning moment. Your key to peak performance, this jacket is all you need to knock off the chills and dominate the diamond. Driven by the game spirit of the White Sox, the New Era White Sox Alpha Jacket helps you hit, pitch, and swing your way through the nine innings and beyond. 100% nylon woven. Imported.