<b>This vest is Asia size, runs two smaller size than US size. Please select right size according below size chart: </b><br> - Tag L = US S: Chest 108cm/42.5", Length 60cm/23.6", Shoulder 41cm/16.1", Height range 160-165cm/5'3"-5'5", Weight range 55-62kg/121.2-136.7lb<br> - Tag XL = US M: Chest 110cm/43.3", Length 62cm/24.4", Shoulder 42cm/16.5", Height range 165-170cm/5'5"-5'7", Weight range 63-70kg/138.9-154.3lb<br> - Tag XXL = US:L: Chest 114cm/44.9", Length 65cm/25.6", Shoulder 43cm/16.9", Height range 170-175cm/5'7"-5'9", Weight range 71-77kg/156.5-169.8lb<br> - Tag XXXL = US XL: Chest 118cm/46.5", Length 68cm/26.7", Shoulder 45cm/17.7", Height range 175-180cm/5'9"-5'11", Weight range 78-86kg/171.9-189.6lb<br>