The vibe never slows when youre wearing Ray-Ban Beat RB3594 Sunglasses. These oval shades feature a clean, minimalist design thats perfect for modern adventurers of all persuasions. That ultrathin metal frame with rubberized metal accents looks great against both male and female features; lightweight polycarbonate flat lenses have the toughness to stay the course. Sunglasses with mirror lenses feature an advanced technological coating to help reduce glare and increase contrast for greater visual comfort, while also providing a stylish look. Those with gradient lenses are characterized by a smooth transition from a solid color to a transparent shade of the same color. Nonpolarized. Type: Non Polarized.