Orthaheel - Relax - Pronation Control Slipper - Ivory - Women 09 M US 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." & plantar fasciitis (arch pain / heel pain) 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. EcoFresh anti-bacterial odor-reducing footbed and linings. Pastel color options ensure this slipper can be worn year-round for much-needed support around the home.