The Casta pumps are stylish and comfortable, thanks to their modern design and innovative comfort technology. They feature a flexible molded unit outsole with Aerosoles' signature diamond flex design for grip and comfort. They also have Aerosoles' new proprietary Aerofly insole, which is a special foam that is firm for heel stability and soft for rebound comfort. The Casta pumps are perfect for all-day wear, and they are sure to become your new go-to pumps.Casta Women's Mid Heel Pump Details: Color: Black Stretch Fabric Material: Stretch Fabric Heel Height (inches): 2.25 Heel Type: block Closure Detail: Adjustable Buckle/Strap Toe Shape: Round Casta Women's Mid Heel Pump Features: Designed for Comfort diamond flex outsole ortholite aerofly molded footbed removable molded footbed Ideal for all attire