Big Star women's sports shoes are perfect for everyday activities! They are made of breathable fabric. In addition, they have a reinforced heel. The Memory Foam System remembers the shape of the foot, provides a perfect fit, shock absorbing, deformation resistant and allows moisture evaporation and temperature control. The shoes were set on a flat heel and platform. When choosing a size, please refer to the size chart.36-23/37-24/38-24.5/39-25.5/40-26/41-26.5cm