i use a HSM. it is not the best in the Mississippi heat in the summer, but a few years a go i took a shot to the head with a traditional mask and i went down. we as umpires are always looking out for the players, coaches, and fans safety but we must also look out for our own. Every game you call you are getting older and the game is getting faster. it the technologically is out there for umpire safety i am going to use it.