How to measure
Take your actual body measurements, as they are more accurate than measuring over your cloths.
Measure around neck base where the shirt fits.
Measure around fullest part of the chest. ensure that you place the tape close under the arms and make sure that the tape is flat across the back.
Measure from the collar, along the shoulders and down the outer arm to the hem.
Measure around the natural waistline.
Inside leg :
Measure from top of the inside leg at the crotch till the ankle bone.
Outside leg :
Measure from natural waistline to hem.
Centre back length :
Measure from the center of the collar seam to the hem.