Yes it's metal but has rhino lining. I never thought of it as a bad idea until now. With that being said my mavic 2 has been flawless since day 1. No compass issues
I ordered goggles RE from DJI toronto and they took 2 months to arrive. They originally told me 2 weeks max. Everytime I called them they seemed clueless and couldn't tell me anything. I'm thinking they had a supply issue. I'm in Canada not Uk