Oakley Square Wire OO4075 04 sunglasses are built from carbon C 5 alloy, which is made up of five metal compounds. This translates to a pair of men s sunglasses that are extremely lightweight, yet incredibly strong. Providing both maximum comfort and durability, these Oakley sunglasses feature unobtanium ear socks that hold the frame in place when sweating or in rain. The design ensures the sunglasses won t slip, making them ideal for those with active lifestyles. Grey polarised lenses ensure full UVA and UVB protection and reduces any glares or halos. The rectangular shape of these sunglasses means a wide view is offered and High Definition Optics prevent light from bending as it passes through.