The German trainer uses the original second-generation STAB outsole to add functionality to the classic look. For the upper, textured and elegant lambskin is used. Genuine leather is used for the insole for better comfort. MATERIAL : RUBBER,LAMB,CALF SIZE : 22.5~29.5(cm) **Run small. We recommend sizing up one size. Please refer to the size guides for all products. Classical 2020 GAT Sneaker