Pleated front shirt - Indigo - All Articles - COS US
Made from crisp stretch poplin, this lightweight shirt has a pleated front for a modern flared shape. Fitted at the shoulders, it is a buttonless style with a narrow pointed collar, short sleeves and a hidden zip fastening along the back.
This fabric treatment is a lot like scoring paper to get the right folds. However, in this particular design, the use of "scoring" is not to create a fold line but to make a design detail in an otherwise plain fabric.