Always measure in centimeters. When measuring around a part of the body be sure to measure the biggest part of that area. When measuring length be accurate. Always round up to the next half of a centimeter. MEASURE TWICE TO DOUBLE CHECK. Not responsible for measurements if not done by an employee of Vo2. Click on images below for Measurement charts. Please view all 6 pages of the measuring forms below, read and follow directions. Orders cannot be placed until this form is filled out completely and signed by customer. Email us at [email protected] for PDF type in version also of measurement forms and agreement.