not as quiet as the shuberth or BMW, but aren't as heavy.
Flip front is a hell of alot easier to operate with one hand. They come with a pinlock antifog system as all shoei's do.
The only problem I had was when I changed to a tinted visor in heavy rain a little water came in through the top corner of the visor seal. A small adjustment of the visor mechanism and it was sorted.
Comm gear is so easy to fit as there is ample space in the ear section