These ginger brown slides from the Sierra collection by Birkenstock are the perfect slides for those who are on their feet throughout the day and want shoes that provide exceptional comfort. It is designed with all adventurous and active Birkenstock fans in mind. The PU foamed sole is foamed onto the footbed in two layers, which results in excellent non-slip properties, great flexibility and long life. The upper is made of especially thick, oiled leather with unfinished edges. This pair comes with an anatomically shaped cork-latex footbed and an adjustable metal pin buckle.