【How-to】Why did icarly end - Howto.org

Around 1938 nylon was invented, which added elasticity to socks and many socks today are still made of nylon. Much like the 1920s-1960s, today has seen a resurgence of socks that feature more color and bolder designs and patterns. The sock is made of cotton, spandex, wool, polyester, nylon and more.