CLARKS Women's Isle Surf Sandal 100% Leather Rubber sole Heel measures approximately 1" Platform measures approximately 1/2" Anatomically correct footbed supports the arch and cups the foot, so it rests in a natural position. Rubber outsole resists slips, flexes with your foot and provides cushioning. Dual density EVA footbed softens impact on the ball of foot and helps prevent heel strike. Leather upper and upper lining, suede sockliner, dual density EVA midsole, nylon shank. Rubber outsole.