Frame: The frame comes in a sleek shiny dark ruthenium finish, adding a touch of style. Lens: It features neutral grey lenses for excellent color perception. Lens Material: The MauiBrilliant lens material is Maui Jim's top - notch option. It offers optics almost as clear as glass but is only one - third the weight. Face Shape: Ideal for large face shapes. Manufacturer Number: GS640 - 17

How to use: Simply put on the sunglasses to block out glare and protect your eyes from the sun. When you're driving, fishing, or just walking outside, these sunglasses will be your great companion. Things to note: Don't wear these sunglasses while doing activities that require extreme precision in color differentiation, as the neutral grey lenses may slightly affect color perception. Maintenance tips: Use a microfiber cloth to clean the lenses regularly. When not in use, store them in the provided case to avoid scratches and damage.