Bring innovation to classic silhouettes and set new boundaries to what is "basic". The Porto fuses sustainability into everyday style with its thoughtfully chosen materials of plush Re-Nylon, Galactic recycled mesh, signature Re-Speckled rubber outsole and LWG rated leather to offer the highest quality and conscious fashion practices. Material: Soft calf leather upper & chrome free suede trim Material: Soft calf leather upper & chrome free suede trim Tencel® pulp based twill lining Leather sock Bio-density molded footbed made with recycled materials Re-speckled bottoms Outsole can be cleaned with a soft cloth and water Use waterproof protection spray on upper Comfortability: Runs true to size Refined groove design offers extreme flexibility Molded removable sock footbed