LifeStride Women's Echo Casual Sandal 100% Synthetic Synthetic sole Heel measures approximately 1.25" Platform measures approximately 0.5" Flexible outsole moves with your foot. Foam-cushioned insole helps decrease heel and toe pressure. Hidden elastic side insert gives" with each step. Polyurethane upper, upper lining and sockliner, polyurethane foam insole... Fiber board midsole, wood shank, polyurethane outsole. Care: Spot clean upper with a damp cloth.