There is a letter "z" on the side of NewBalance shoes, which is called "Z shoes" and its English name is New Balance. NewBalance is an American sportswear brand founded in 1906 and headquartered in Boston. The brand is famous for its spirit of making high-quality products, and has made continuous progress in scientific and technological materials, product appearance and comfort. NewBalance is called "the president's jogging shoes" and "the king of jogging shoes" in the United States and many countries.