The V-10 model made out of ecological and sustainable materials stands for 10 years of love. Leather Upper Panels made out of leather Logo V made of rubber Lining in jersey (33% organic cotton & 67% recycled polyester) Insole made out of wild rubber and other synthetic materials Sole made of wild rubber from the Amazonian forest 24% Made in Brazil, in the region of Porto Alegre Size Chart EUR 39 40 41 42 43 44 45 46 US 6 7 8 9 10 11 11.5 12