How Measure Chest ?
How measurement Collar ?
How Measure Cuff ?
How Measure Back length ?
How Measure Short Sleeve Length

Lay the shirt flat, buttoned up, and measure straight across from one armpit to the other (pit-to-pit). Double this number to get the full chest size.
Unbutton the collar, lay it flat, and measure from the center of the collar button to the far end of the buttonhole along the inside edge
Lay the sleeve flat and measure straight across the cuff from one edge to the other, keeping the cuff buttoned.
Lay the shirt flat, and measure from the base of the collar (where it meets the yoke) straight down to the bottom hem
