Why Do Button-Down Shirts Have Loops on the Back? The Surprising History of the “Locker Loop”

The original purpose lives on — the loop lets you hang your shirt neatly without stretching the shoulders, especially useful in tight closets.

2. Tucking in a Tie or Scarf

Some men use the loop to secure the narrow end of a tie , preventing it from flapping around.

Others tuck a pocket square or scarf through it for a quirky, preppy touch.

3. Hanging a Lanyard or Badge

In workplaces or events, people use the loop to clip ID badges, keys, or earbuds — keeping essentials close and hands-free.

4. A Fashion Statement

Designers like Ralph Lauren, Brooks Brothers, and J.Crew keep the loop on their shirts as a nod to heritage and authenticity .

For fashion enthusiasts, it’s a detail that signals quality and tradition — a quiet flex of style intelligence.