With your Ironman Artemis Sunglasses on, you can clearly see your competitors in front of you, be they on bike or on foot, and you are gaining on them. The Artemis, named after the Greek god of the chase, boasts impact resistant polycarbonate lenses and a durable, lightweight TR 90 frame. These glasses are strong and won't hinder you as you track down what's before you. The semi rimless frames help you see without hindrance in a bike stance, and the grippy temple tips and nose pads won't slip when you gun it. you love the chase.