The A3 mountain bike helmet is a new standard in premium mountain bike helmets with luxurious comfort, patent-pending innovations in safety, ventilation that will you keep you cool on the longest climbs with comfort and coverage to protect on the sketchiest of descents. B-Series MIPS Rotational Brain Protection Advanced layering 3-piece shell 3-Way Magnajust® visor TLD Sweat Glide System – EVA wicking foam Premium 3d Fidlock® magnetic buckle system and composite smart shear screws
