Mephisto Women’s Helen Leather Sandals Size is European 39, US 8.5 - 9. Gently worn, in good condition. The unique SOFT-AIR technology, integrated in the cork midsole, guarantees an effortless walk. The AIR-RELAX technology respects the anatomy of the foot to prevent fallen arches. Adjustable strap with buckle fastening. From a pet and smoke free home.