Birkenstock Boston faded khaki Mules are a fashionable and natural classic from BIRKENSTOCK. The upper is made of soft suede leather with a trendy waxed finish. Featuring an anatomically shaped cork and latex footbed. Upper: suede leather with waxed finish Footbed: suede leather Sole: EVA/rubber Details: individually adjustable metal buckle 'Made in Germany'. Material: Leather.