Naturalizer Women's Alarm Open-Toe Pump 100% Leather Synthetic sole Heel measures approximately 3.25" Platform measures approximately 0.5" Lightweight thermoplastic rubber outsole delivers an effortless stride. Extra cushioning underfoot gives you soft, comfortable steps. Polyurethane linings breathe to help keep feet cool and comfortable. Leather upper, polyurethane upper lining and sockliner, polyurethane foam insole, steel shank... Thermoplastic rubber outsole. Heel Height: 2 1/2 inches.