MORE DETAILS: Genuine nubuck is a terrific leather - more durable and less fussy than suede. Also, sizes 22-23 have specific 1st walker soles. FITTING: shoes vary so please compare foot length with insole measurements, allowing 3/8"+ for legwear, wiggle room & growth - consultations always OK - this style runs a smidgen short: Euro 22/US 6 = 5 3/8", Euro 23/US 6.5 = 5 5/8", Euro 24/US 7 = 5 7/8", Euro 25/US 8 = 6 1/8", Euro 26/US 9 = 6 3/8", Euro 27/US 10 = 6 5/8", Euro 28/US 10.5 = 6 7/8", Euro 29/US 12 = 7 1/8", Euro 30/US 12 = 7 3/8", Euro 31/US 13 = 7 5/8", Euro 32/US 1 = 7 7/8", Euro 33/US 2 = 8 1/8"