Optic Nerve Axtionsuit Multi Lens Sunglasses. The Optic Nerve Axtionsuit Multi Lens Sunglasses are the epitome of sleek, stylish, high performance eyewear. They sport easily switchable lenses so that you're never straining to see, and you always know what's going on no matter where you're riding. It's like 2 pairs of shades for the price of one. The smoke colored lenses defend against the bright sunlight...but if the clouds roll in, pop the copper lenses on and watch the scape light up with amazing definition.