The often imitated, never duplicated, category-defining, two-strap wonder from Birkenstock is a comfort legend and a fashion staple. With adjustable straps and a magical cork footbed that conforms to the shape of your foot, a truly custom fit is as effortless as the classic design. This regular black pair is made with Birko-Flor material which makes it durable. The synthetic upper material has a leather-like finish and soft backing. This narrow pair has contoured cork footbed that conforms to the shape of your foot. Besides, the lightweight EVA sole is for cushioning and shock absorption.