Orthaheel Unisex Wave 2 Thong Unisex Chocolate Sandals Men's 10, Women's 11 M Synthetic Synthetic sole Convenient,pain-free \"natural healing\" solution to many of the common achesand pains associated with poor lower limb alignment. Orthaheeltechnology is clinically proven to reduce excess pronation, acontributing factor to \"flat feet.\" Podiatrist-designed, biomechanical Tri-planar MotionControl footbed with a deep heel cup helps stabilize, support andrealign the feet back to their natural position. Lightweight,flexible medium-density EVA midsole absorbs shock, reducing stresson feet, ankles and knees. Soft woven toepost and foam-lined strap ensure a comfortable fit.