Women's Big Star sneakers are made of textile material. This model is slip-on and has additional lacing. The Memory Foam System insole remembers the shape of the foot, provides a perfect fit, absorbs shocks, is resistant to deformation and allows moisture to evaporate and temperature regulation. These shoes are great for everyday use, as they are light and comfortable. When choosing a size, please refer to the size chart.36-23,5/37-24/38-25/39-25,5/40-26,5/41-27cm