There was a limited edition that was translucent so you could see inside pretty ...

There was a limited edition that was translucent so you could see inside pretty recently https://www.meta.com/blog/ray-ban-meta-coperni-limited-editi...

Believe if you worked at Meta when the glasses just came out there was also a limited fully transparent frame as well.

i have the ‘stone’ colorway which is semi transparent brown.