Men's sports shoes Big Star are made of a combination of textile and plastic. This shoe has a Memory Foam System insole that remembers the shape of the foot, provides a perfect fit, absorbs shocks, is resistant to deformation and allows moisture evaporation and temperature control. Big Star sneakers are very comfortable to use. You should definitely have them! When choosing a size, refer to the size chart.41-27/42-27.5/43-28/44-28.5/45-29.5cm