Handmade in Italy, Pepper's SMP Injected Polarized style is designed with a Monel Metal frame that is lightweight and strong. Monel metal is a high quality optical material developed in the aircraft industry. Features a Tuff-Core Grilamid frame for total durability and flexibility. Spring hinges offer additional durability and comfort. Megol nose pads secure fit and resistant to slippage from lotions and sunscreen. Injected polycarbonate polarized lens offers a superlative combination of clarity and protection.