Size 1-2 years: top length 36 CM, chest 54 CM, pants length 43 CM, suggested kids height 33-37 inches Size 2-3 years: top length 38 CM, bust 58 CM, pants length 44 CM, suggested kids height 37-41 inches Size 3-4 years: top length 41 CM, bust 60 CM, pants length 49 CM, suggested kids height 41-45 inches Size 4-5 years: top length 42 CM, bust 62 CM, pants length 51 CM, suggested kids height 45-49 inches Size 5-6 years: top length 44 CM, bust 66 CM, pants length 55 CM, suggested kids height 49-53 inches