Lazer's Tardiz is your meticulously engineered advantage against the clock. It boasts a suite of wind-cheating features to help you sail to new personal bests. Lazer's Dual Layer Aerodynamic construction smooths the air to help you knife through the wind and the Tardiz's unique Head-Down design shaves seconds even when you're looking down. For a comfortable fit, Lazer's Rollsys Retention System conforms perfectly to your head and is super easy to adjust. This fast lid also boasts Lazer's handy Aquavent that makes it easy to cool yourself down with water for another competitive edge.