Did you know that today’s ubiquitous camouflage army uniforms came about mostly because early 20th century Brits and Germans couldn’t be bothered to dress their armies stylishly? Or that Roman Catholic priests’ tell-tale white collars became the norm when all the cool priests started following a late 16th century trend towards un-popping their collars.

This interesting mental_floss listicle chronicling The Stories Behing 4 Famous Uniforms aslo sheds light on the dress of choice for Playboy Bunnies and private school kids. Meanwhile, we’d love to hear the origin story of the costume design at right. Any Trekkies out there feel like shedding light on the subject?