MORE DETAILS: Genuine nubuck is a terrific leather - more durable and less fussy than suede. FITTING: Shoes vary so please compare foot length with insole measurements, allowing 3/8"+ for wiggle room & growth - consultations always OK: Euro 20/US 4-4.5 = 4 3/4", Euro 21/US 5 = 5", Euro 22/US 6 = 5 1/4", Euro 23/US 6.5 = 5 1/2", Euro 30/US 12 = 7 1/2"