NWT. Red + Black Plaid. Size US 10/EU 41. The BIRKENSTOCK Arizona is a genuine classic. This version of the sandal is particularly cozy with its plaid patterned straps and genuine shearling lining. The perfect shoe for staying snug on chilly, winter evenings! The upper is made from soft wool. Anatomically shaped cork-latex footbed Upper: wool Footbed lining: genuine shearling Sole: EVA Details: two straps, each with an individually adjustable metal pin buckle Made in Germany