The Boston is our classic clog that will add style and comfort to your wardrobe. One strap across your instep has a buckle for an adjustable fit. Offered in soft footbed in Black Suede. Made in Germany. DETAILS Upper material: Suede - thick and durable leather with a soft napped finish. Footbed: Soft footbed - a foam layer is inserted between the cork layer and the suede liner of the classic Birkenstock footbed. This layer features an extremely high degree of rebound capacity which permits long-lasting cushioning. Sole material: EVA - flexible, lightweight, durable and shock absorbing.