Keep things classic with these men's Boston Birko-Flor sandals from Birkenstock. They're cut from synthetic Birko-Flor fabric in the upper for a smooth look. In a Mocca colourway, they have a slip-on design and a closed toe shape, with a suede footbed lining that sits on a cork-latex and EVA sole. These sandals have an adjustable buckle strap to lock you in and are finished with signature Birkenstock branding.. Material: Synthetic Upper & Sole