MORE DETAILS: Genuine vat-dyed nubuck is a terrific leather - more durable and less fussy than suede. FITTING: shoes vary so please compare foot length with insole measurements, adding about 3/8"+ for wiggle room, footwear and growth space - consultations always OK: Euro 18/US 3 = 4 1/2", Euro 19/US 4 = 4 3/4", Euro 20/US 4.5 = 5", Euro 21/US 5 = 5 1/4", Euro 22/US 6 = 5 1/2", Euro 23/US 6.5 = 5 3/4"