Immersion Research Small Medium Large X Large Height 162-174cm 174-178cm 180-190cm 190-195cm 5'4"-5'7" 5'8"-5.10" 5'11"-6'2" 6'2"-6'4" Chest 94-98cm 98-102cm 106-112cm 116-120cm 37-39" 39-41" 42-44" 45-48" Waist 70-74cm 76-82cm 84-92cm 96-104cm 28-29" 30-32" 33-36" 38-42"