Matt Black Foster Grant Polarized Metal Sunglasses with Wide Ironman Eyeglass Strap metal frame polarized sunglasses matt black metal frame polarized lenses with wide ironman eyeglass strap High Quality lenses offer high-impact resistance,superior optical clarity and creates less distortion Metal Frame for strength, comfort and durability Premium-designed sport build frames with temple inserts and rubber nose pads 100 % UVA-UVB Protection