Oakley Ski Goggles Flight Deck XM OO7064 B1 Dark Brush Prizm Snow Dark Grey Dragon Polaroid Suncovers Fitover Sunglasses PLD Brown Mirror Polarized Polaroid Suncovers Fitover Sunglasses PLD 9009 S N9P MU Matte Havana Green Polarized have a plastic frame in a rectangular style and are designed for men Polaroid Sunglasses PLD 2123 S PHW SP Havana Green Brown Polarized are a square shaped frame made from lightweight acetate Support is given for better airflow and and the sleek frame and outrigger design is comfortable and helmet compatible THis Flight Deck XM version is a more compact small to medium sized fit compared to the larger original Flight Deck