[18] The sneakers are created with a complex composition of "rubber" with plastic/steel stiffeners to limit foot motion. Extra advanced runners tend to don flatter and flexible sneakers, which permit them to run much more rapidly with greater comfort. Sneakers grew to become a style statement and have been marketed https://userbookmark.com/story19103664/the-2-minute-rule-for-%CE%B3%CF%85%CE%BD%CE%B1%CE%B9%CE%BA%CE%B5%CE%B9%CE%B1-%CF%83%CE%BD%CE%B9%CE%BA%CE%B5%CF%81