Interesting New British Army helmet and

[Rollbar]

what looks like a M2 to me.

British soldiers to be equipped with state-of-the-art battle helmets that give them a Stormtrooper look  | Daily Mail Online

 

[Ventruck]

Chin guard hangs way out there, but like a comment there said only the soldiers can be the judge of that.

 

[TheWannaBe]

I don't like the chin guard... Looks bizzar.

 

[Rustpot]

It's made by Revision, so I'd expect that's a Sawfly pair of glasses.

The US forces have similar systems with integral full face guards. They're not for widespread use, but more for guys whose jobs have them stick their head out of vehicles.