The elegantly functional Boston BS sandals from Birkenstock deliver classic support, comfortable wearing and alluring style ideal for summer. Designed to offer health benefits with every step, these closed-toe sandals will pamper your feet all day long. Premium, durable suede embossed leather upper. Soft leather lining for abrasion-free wear. Anatomically correct, suede lined, natural cork-latex footbed. Slip-On construction with adjustable buckle strap for a flexible fit. Flexible, lightweight and shock-absorbing EVA outsole.