Classic Crewneck

Caius is 5 years old, 110cm tall and wears size 4-5Y
Lucky is 21 months and wears size 18-24M

Garment measurements by size (approximately):
Size (cm) 12-18 18-24 2-3Y 4-5Y 6-7Y 8-9Y
Length 35 38.5 42 44 52.5 55
Front Chest 40.5 42.5 46.5 50.5 55 57.5