LifeStride Women's Chaplin Flat 100% Synthetic Synthetic sole Heel measures approximately 1" Flexible polyurethane outsole moves with your foot for great-feeling comfort. Polyurethane foam insole provides superior cushioning and support. Wide heel base offers stability so you'll enjoy a steady stride. Polyurethane upper, upper lining and sockliner, polyurethane foam insole, fiberboard midsole... Wood shank, polyurethane outsole. Care: Spot clean upper with a damp cloth.