6-panel hat with eyelets allow air flow to keep you cool.Surf-inspired. Standout graphics. Style and function, all in one hat. the Mark III hat, a flat-brim piece, is a trend-forward, lightweight pick to make your look pop while shading your face. With the classic Oakley B1B embroidered logo, adjustable fit and extra airflow for hot days on the beach and beyond, it’s a statement-making pick for any occasion.