Size Age Length Bust S-90 3T 47cm/18.50" 52cm/20.47" M-100 4T 50cm/19.68" 54cm/21.25" L-110 5T 54cm/21.25" 58cm/22.83" XL-120 6T 58cm/22.83" 62cm/24.40" XXL-130 7T 62cm/24.40" 66cm/25.98"