Orthaheel Men's / Women's Kiwi Slide Sandals Convenient- pain-free "natural healing" solution to many of the common aches and pains associated with poor lower limb alignment. Orthaheel technology is clinically proven to reduce excess pronation- a contributing factor to "flat feet." Podiatrist-designed- biomechanical Tri-planar Motion Control footbed with a deep heel cup helps stabilize- support and realign the feet back to their natural position. EVA moulded Tri-planar Motion Control midsole with built-in orthotic profile.