Hermann Maier skis in Carrera helmets, which is about as strong an endorsement as you could want. Hermann, though, probably needs more coverage than the Big Air, which is a CE-certified shorty shell. Venting is excellent, with a slider on top to open or close air channels at the forehead. The removable drop liner features Outlast temperature-regulating material -- a strong point -- but the liner itself felt somewhat sloppy. Standard: CE.