The Bern Men's Allston Helmet is a street bike helmet with a soft flip visor for customizable comfort. It also Features a 360 degree retention system, allowing you to tune-in the Fit and feel of the helmet. With 16 vents to regulate your temp and a moisture-control liner to keep you dry, you'll stay comfortable on all day rides. Take a ride around town or get in a bit of a workout and let this helmet handle all the head safety and security for you. Features of the Bern Men's Allston Helmet Premium Boa dial adjustment system integrated into our standard helmet comfort liners 16 large vents for optimum air flow Soft flip visor Moisture-control liner