[18] The footwear are produced with a complex structure of "rubber" with plastic/metallic stiffeners to restrict foot motion. Much more advanced runners often have on flatter and flexible shoes, which allow them to operate extra speedily with greater comfort and ease. Sneakers became a style statement and had been marketed https://esocialmall.com/story4539540/the-2-minute-rule-for-%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