Men's Big Star sneakers are made of a combination of textile and eco-leather. Slip-on model with additional lacing. 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. These shoes are extremely light, which makes the comfort of use even greater! When choosing a size, refer to the size chart.41-27/42-27.5/43-28/44-28.5/45-29.5cm