The Birkenstock® Madrid Big Buckle Oiled Leather clogs are the iconic style you love, with contemporary and bold buckles you'll love even more! The leather-lined, contoured cork footbed will mold to the shape of your foot, creating a custom footbed that supports and cradles you with each step. Raised toe bar is designed to encourage the natural gripping motion of your feet, exercise your legs, and aid circulation. Flexible Ethylene-Vinyl Acetate (EVA) outsole offers lightweight, shock-absorbing support with lasting durability. Oiled leather upper and leather lining. Slip-on style with a large adjustable metal pin buckle. Open toe design.