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 socks, wiggle room & growth - this shoe is a true medium and does not run wide (consultations always OK): EU 24/US 7 = 6", EU 25/US 9 = 6 1/4", EU 26/US 9 = 6 1/2", EU 27/US 10 = 6 3/4", EU 28/US 10.5 = 7", EU 29/US 11 = 7 1/4", EU 30/US 12 = 7 1/2", EU 31/US 13 = 7 3/4", EU 32/US Youth 1 = 8", EU 33/US Youth 2 = 8 1/4", EU 34/US Youth 3 = 8 1/2", EU 35/US Youth 4 = 8 3/4", EU 36/US 5 = 9", EU 37/US 5 = 9 1/4", EU 38/US 6 = 9 1/2", EU 39/US 7= 9 3/4", EU 40/US 8 = 10"