A couple things I'm curious about is...
1. Where's the load transferred to?
It's kind of hard to see in those pictures but it looks like it practically sits on the clavicle.
For example look at the Leatt, there's a reason for that bottom piece sitting on your chest like it does (along with the cutout).
View attachment 4850
And the Alpinestars Bionic...
View attachment 4851
2. I'm not so sure about the small (or lack there off) back piece. People have claimed that you can "break" your spine were the back piece ends. If that's the case I'd prefer breaking my spine as low as possible.
From what I've read, Leatt is working to prevent this by implementing crumple zones into various parts of their brace.