Catching up with Legion tech

[Sean Manning]

I think he needs a nasal.

I'd guess the idea is that it has to fit around those goggles soldiers use these days (and sunglasses or regular glasses). I think the googles are lightly armoured against fragments.

Back in WW I, didn't helmet designers look to medieval armour for ideas? That's how the Germans ended up wearing pseudo-sallets, and the British something like those broad-brimmed iron caps used by medieval infantry.