The Cuprace Wing - Iconic Canvas sneakers are crafted from exclusive vintage-effect fabric by BePositive. These shoes boast an asymmetrical upper inspired by the classic Space Race look. The total measurements are as follows: Upper: 30% calf leather, 70% textile; Lining: 60% textile, 40% calf leather; Sole: TPU+PU; Insole: 100% calf leather.