Whats in the back says a lot about your fit., Box Pleat relaxed, roomy, made for the effortless gentleman., Knife Pleat sharp, structured, for the man who means business., Every pleat has a Pleat Back shirt dress Most men notice the pleat on the back of a shirt But very few know why it exists. This is called a Box Pleat: A smart tailoring detail added to give you Dress Shirt Pleats Which Option Suits You Best Nimble Made Tribal Button Up Shirt with Back Pleats BK's Brand Name Clothing