Big Star women's sneakers are made of a combination of fabric and ecoleather. The shoes also have a reinforced heel. The sneaker has a Memory Foam System that remembers the shape of the foot, provides a perfect fit, absorbs shocks, is resistant to deformation and allows moisture evaporation and temperature control. The shoes were set on a platform and a flat heel. When choosing a size, refer to the size chart.3623/3723.5/3824.5/3925/4025.5/4126.5cm