FITTING: please compare foot length with insole measurements, allowing about 3/8" for legwear, wiggle room & growth (consultations always OK):
Euro size 16 (US Newborn 0) = 3 3/4"
Euro size 17 (US 1) = 4"
Euro size 18 (US 2) = 4 1/4"
Euro size 19 (US 3) = 4 1/2"
Euro size 20 (US 4) = 4 3/4"