The Smith Men's Attack Max Performance Sunglasses is faster in every detail, with a larger lens for maximum visibility and increased fit. The Attack Max let you experience the sound of speed with Smith MAG™ interchangeable technology the lens change innovation that enables fast ChromaPop™ lens swapping for varying light conditions. Two ChromaPop™ lenses are included and have been crafted with a raised-brow design for increased coverage. The Attack Max also features Smith's two-position nose piece that is engineered to give you perfect fit and all-day comfort. Megol temples ensure that your glasses are secure at your fastest velocity. The Smith Men's Attack Max performance sunglasses are everything you want and then more.