Vionic Sara Women US 7.5 Tan Mary Janes Leather Synthetic sole Orthaheel Technology Adjustable hook and loop closure on top strap with metallic accents Rubber outsole with wave-patterned tread offers good traction on a variety of surfaces Helps relieve common causes of heel and knee pain, related to over-pronation and flat feet Deep heel cup helps stabilize, support, and realign feet back to their natural position