Birkenstock takes the thong sandal to its most comfortable form. Smooth leather upper in a modified thong sandal style, with an instep strap featuring an adjustable metal buckle, and a thong strap with a comfortable, sculpted toe thong post. Soft interior, with a molded, anatomically correct footbed. Toe ridge, arch support, and a lightweight and supportive latex cork midsole add to the comfort. Lightweight and flexible traction patterned outsole.