NOTE: There are 2 variations, regular heel or padded heel collar (see photos). Please let me know if you have a preference. FITTING: shoes vary so please check foot length with insole measurements, allowing 3/8"+ for wiggle room & growth (consultations always OK): Euro 20/US 4.5 = 5", Euro 22/US 6 = 5 1/2", Euro 23/US 6.5 = 5 3/4"