Size 12M (Height: 71-78cm Weight: 9kg-11kg) 18M (Height: 79cm-84cm Weight: 10kg-12kg) 2T (Height: 84cm-92cm Weight: 12kg-14kg) 3T (Height: 92cm-99cm Weight: 14kg-16kg) 4T (Height: 99cm-107cm Weight: 16kg-18kg kg 5T (Height: : 42.1 - 44.9 inches (107 - 114 cm); Weight: 39.7 - 44.3 lbs