[eighteen] The footwear are built with a posh framework of "rubber" with plastic/metallic stiffeners to restrict foot movement. Much more advanced runners are likely to use flatter and flexible footwear, which allow them to run far more swiftly with greater convenience. Sneakers became a style statement and had been marketed https://bookmarkleader.com/story19165176/about-%CE%B3%CF%85%CE%BD%CE%B1%CE%B9%CE%BA%CE%B5%CE%B9%CE%B1-%CE%B1%CE%B8%CE%BB%CE%B7%CF%84%CE%B9%CE%BA%CE%B1-%CF%80%CE%B1%CF%80%CE%BF%CF%85%CF%84%CF%83%CE%B9%CE%B1