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):,EU 19/US 4 = 4 1/2", EU 20/US 4.5 = 4 3/4", EU 21/US 5 = 5", EU 22/US 6 = 5 1/4"