Aerodynamics, premium ventilation and excellent retention come together in one of the fastest bike helmets currently on the market; the Giro Selector. Updated with an all-new Slimline buckle, webbing retainer, Grey/Silver Flash eye shield and streamlined waterslide graphics to give you an edge on the competition. Speed-enhancing lowers let you customize how close the helmet tail sits on your back, so you can slice through the wind and conquer the clock in record time. Eye shield works in tandem with the helmet's internal channels to keep you well-ventilated while minimizing air resistance. Roc Loc TT retention system self-adjusts to your head for lightning-fast transition times.