Orthaheel - Gelly Thyme Womens Support Slipper 08 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) Active removable orthotic footbed with Tri-planar Motion Control supports the foot and helps realign lower legs- improving posture and balance. EcoFresh anti-bacterial odor-reducing footbed and linings. Crepe finish- TPR outsole has nylon shank and fabric-covered TPR inserts for better traction.