Munro Women's Crystal Sandals Munro Tech sole is durable, lightweight, shock-absorbent and treaded for grip. Contoured insole conforms to your foot for a customized feel and support every time you wear it. Steel shank adds strength and stability for a confident stride. Leather upper, knit soft upper lining, leather sockliner, polyurethane insole, steel shank. Polyurethane outsole. Heel Height: 1 1/4".