A Guide to Better Fitting Dress Shirts How Should a Men's Dress Shirt Fit? A Complete Guide by DETERMINANT The Shoulder Seam Rule Most Men Ignore , Perfect Shirt Fit Starts Here , Your Shirt Shoulders Are Probably Wrong , YouTube Shorts Description, A perfect outfit starts with the right shoulder seam SUIT FIT TIPS , 1. The shoulders should lie flat and end right where the natural shoulder does. If the shoulder pads extend past the shoulder or there's a noticeable dent, it's too big. If it How Should Dress Shirts Fit? Mizzen+Main How Should a Dress Shirt Fit: Complete Guide