To choose the correct size for you, measure your body as follows:
Chest :
Measure around the fullest part, place the tape close under the arms and make sure the tape is flat across the back.
Waist:
Measure around your body at the point where your pant’s waistband would sit
Hip:
Measure at the fullest part of your hip point.
Sleeve Length :
Take a three point measurement starting at the center back of your nck to your shoulder point to the point just below your wrist bone.