Confirm this measurement with your driver s license. Measure loose enough for index finger to fit between tape and neck for a comfortable fit. Confirm the size with dress shirts at home. Sleeve With the arm straight down at the side, place tape measure at the base of the neck in back. This is the sleeve length.
Trousers Waist Make sure there is no bulky material around the waist such as a belt or sweater.
Confirm this measurement with your regular pant size. Out Seam Stand straight and look forward. Make sure the pants you are wearing are at your natural waist.