Denim shorts are a great way to dress for that summer picnic or just a day in the sun. Try some of these great low prices. Denim shorts became popular in the late 1960’s when fashion, style and art all began to take on a new life of its own. People were fed up with war and politics as usual, the counterculture movement began to take full swing and people began to find ways to express themselves through their style and resourced fashion. Shop Dressing To Impress.