Serena Gold Leather FlatsSole and Insole Made of expanded PVC (polyvinyl chloride) with a 1 cm heel height, the sole of the Serena Flat Sandal provides lightness and comfort. In addition, this type of material is non toxic, which helps reduce pollution levels. The cushioned insole ensures softness with every step, while the rubber outsole provides stability and safety. Leather and Additional Features Fluid elegance for every moment! With a sophisticated and timeless design,