Back zip closure . Metallic coated hem . Raw cut hem . Lined . Size 2Y = 2-3 years. Size 3Y = 3-4 years. Size 5Y = 5-6 years. Size 7Y = 7-8 years. Size 9Y = 9-10 years. Size 11Y = 11-12 years. Size 14Y = 14-16 years