Walk down the street in comfort wearing these classic men's Birkenstock brown Arizona slides. They feature a Birko-Flor upper (a skin-friendly, hard wearing synthetic material) with an open toe slip-on design, two individually adjustable straps with buckle closures for a customized fit, an anatomically shaped cork footbed, a suede lining, and an EVA outsole. Birkenstock Men's Arizona Sandal in Brown Size EU 42/US 9-9. 5 Medium