Retro Narrow Rectangle Sunglasses in 3 Colors. If you love 90s style sunglasses, these mens narrow rectangle sunglasses are a modern take on your favorite throwback. Retro sunglasses feature narrow plastic frames with rectangular lenses and integrated nose pads. Hinges are detailed with two small silver accents for an extra sleek touch. When you’re bored of basic shades, these narrow rectangle sunglasses for men are an instant style refresher. Available in Solid White, Solid Black, and Sheer Brown Tortoise Shell.