Outer material
Artificial Leather, Canvas, Cordovan Leather, Croslite, Denim, EVA, Fabric, Felt, Flyknit, Genuine Leather, Jute, Leather, Lycra, Mesh, Nappa Leather, Nubuck Leather, Nylon, PU, PVC, Patent Leather, Plastic, Polyester, Resin, Rubber, Silk, Suede, Synthetic, Synthetic Leather, Textile, Velvet, Wool