These GA3191 eyeglasses boast the sophisticated, yet edgy style synonymous with Gant. The bold browline in the rectangular frames is crafted in lightweight but sturdy performance plastic. Gant crafts the rims and temples in a durable, corrosion-resistant metal that retains its shape through extended wear. Signature branding on the temple adds designer appeal. These Gant glasses come with flexible spring hinges that retain their initial balance, keeping them securely in place throughout your busy days.