Ahnu Women's Sananda Thong Sandal 100% Leather Imported Rubber sole Heel measures approximately 1" Numentum commute features a removable internal polyurethane midsole with u-shaped heel stabilizer for neutral positioning and amazing underfoot comfort Nubuck leather and non-wicking canvas Internal nylon shank provides arch and mid-foot support Aegis anti-microbial treated footbed to minimize odor-causing bacteria High surface contact, non-marking rubber outsole