Recommended size: US Small fit for less about 5.4feet(165cm), 143lbs(65kg); US Medium fit for less about 5.6feet(170cm), 158lbs(72kg); US Large fit for less about 5.7feet(175cm), 176lbs(80kg); US X-Large fit for less about 5.9feet(180cm) 187lbs(85kg); US 2X-Large fit for less about 6.1feet(185cm) or 194lbs(88kg)