This document discusses the fashion cycle and the stages of bell bottoms. It explains that the fashion cycle has 5 stages: introduction, increase, peak, decline, and obsolescence. Bell bottoms were introduced in the 1960s and inspired by sailors' pants. In the late 1960s, they became popular in the hippie culture. By the 1970s, bell bottoms reached their peak popularity with mass production and celebrity endorsements. While bell bottoms lost popularity after heavy exposure, the style was never obsolete and has been reinvented over time, remaining a classic style.