1.Shoulder: Measure the back of your child's shoulder from one end to the other
2.Chest: Measure around the chest, under the armpits and over the highest part of your child's chest and shoulder blades kepping the tap parallel to the floor.
3.Sleeve: Holding your child's arm staright out from your child's side, this measurement is taken from the shoulder to the wrist. Make sure keep the tap staright for the most accurate measurement