Smith Optics Drake Sunglasses are made with classic 6 base design. They are manufactured in Italy. The lenses on these sunglasses are scratch resistant. The spring hinges and megol nose, and temple pads make the fit of these sunglasses unmatched. Anti-reflective and hydroleophobic lens coatingsMedium fit / medium coverageSpring hingesEvolve frame materialLifetime warranty by Smith Optics.