Dimensions of the garment in cm.

top chest circumference length
2 years 51 40.5
4 years 56 43
6 years 63.5 49.5
8 years 68.5 53.5
10 years 73.5 57
12 years 78.5 61

pants circumference ("at rest") length
2 years 40.5 51
4 years 45.5 58.5
6 years 53 70
8 years 56 77.5
10 years 58.5 87.5
12 years 61 98