The Sweet Protection Volata represents the latest in FIS approved race helmets. More info here: https://www.sweetprotection.com/en/volata-helmet/840062.html?dwvar_840062_color=GLBLM&dwvar_840062_size=ML&cgid=15042
The helmet can be fitted with the Volata tool-less mount slalom chin guard making the helmet suitable for all disciplines: https://www.sweetprotection.com/en/volata-chin-guard/810079.html?dwvar_810079_color=ADBLK&dwvar_810079_size=OS&cgid=87388
New these helmets are $400 (including tax). Selling for $150.