Overarm measurement: Take the measuring tape and measure over the arms at the fullest division of the chest.Chest measurement: Measure the chest, approximately the fullest part, place the tape close up below the arms making sure the tape is up over the shoulder blades, measure at the fullest division of chest. This measurement typically determines what size jacket you wear. (It's ok to go up a size in the jacket if your midsection is a small fuller or down a size if you're measuring in excess of more than one shirt)
Waist measurement: Measure about the waist over a shirt at the area anywhere you would usually wear your pants approximately one inch under belly button.
Outseam measurement: Measure from the waist (top of the pants) downward to the top of the heel of the shoe.
