Nothing beats a great pair of shoes! BIRKENSTOCK, an expert in the field, has designed the Boston Big Buckle. Featuring a trendy brown colour, it has an 100% trendy Nubuck leather upper! From Nubuck leather on the upper level and a leather lining to which is added a leather insole.pour un rendu admirable. The leather lining and leather insole make these shoes so comfortable. Say goodbye to the country look: with these features, this pair is as stylish as ever!