FitFlop Women's F-pop Ballerina Opul 100% Suede Imported Rubber sole Heel measures approximately 1.5 inches" On our ergonomic SupercomFF midsole technology Average (width) fit, flexible upper structure for foot comfort APMA seal of acceptance, for footwear found to promote good foot health Ergonomically engineered, ultra-comfortable, the best ballerinas Soft suede, lightly elasticated upper, treated with 3M scotchgard protective material for water repellence