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