male Big Star sneakers are made of a combination of textile and eco leather. Slip-on model with 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 extremely light, which makes the comfort of use even greater!When choosing a size, please refer to the size chart. 41-27/42-27,5/43-28/44-28,5/45-29,5cm