Ac’s new chest pro?

Looks like d3o to me.

Looks like a a variation of this:

That is clearly to help with Comfort the AC separation. I separated my shoulder and broke the end of my collarbone in 83 at Lake Madera Golden State series. I raced 3 weeks later at Sunrise Cycle Park. My chest protector caused so much discomfort that I raced without it. I did not qualify for the main, the pain was so overwhelming. I am so impressed with how well Adam did.

Custom. Fox made it in house for him.