A "pinstriped suit" is a suit with very thin vertical stripes on the fabric. It is often associated with formal or business attire, and is a symbol of professionalism and elegance. Full definition
Three years into the production of an all - new, redesigned and renamed Mercedes - Maybach Pullman, now in its fifth generation, Mercedes has facelifted it, adding a new and very different grille with vertical slats — allegedly inspired by pinstriped suits and not the Buick grille — and cranked up the power from 523 hp to 621 hp. (autoweek.com)
In the walnut - veneered courtroom of Judge William Hart, more than a dozen lawyers in pinstriped suits are battling it out in a case that pits two major corporations against each other in a legal war over the design of disposable diapers. (articles.chicagotribune.com)
I keep the beautiful navy pinstriped suit I wore when I got married in 1996. (amidprivilege.com)