Oakley - Flight Tracker L poseidon prizm snow sapphire - Outstanding visibility for uncompromising snow action. The Flight Tracker L provides maximum performance and comfort thanks to innovative technologies and features. Oakley's Prizm lens technology promises to maximize contrast and enhance visibility. You can better detect bumps / ruts on the slopes / in the deep snow, making your ride safer. F3 anti-fog technology ensures a crystal clear field of vision in all conditions. The layer foam and the adjustable strap also guarantee outstanding comfort and a secure fit. With the Flight Tracker L you are perfectly equipped. The L version was specially developed for wide face shapes.