The Arizona is beautiful classic style. The legs are made of zebra wood. The front is made of polycarbonate. We use outward flexible metal hinges for a flexible and comfortable fit. All GOWOOD sunglasses provide real protection with their FDA approved and CE certified category 3 high-quality lenses. This certification indicates that they provide UV400 protection against all UVA and UVB radiation. They are impact-resistant and are provided with a hardwood bamboo storage box.