Quote Originally Posted by HarborSpringsPiper View Post
Unless there is some other reason behind it, seems hat wearing has then fallen by the wayside there as it has in the rest of the Western world, which is a shame. I am not sure I have ever seen Prince Charles wear a hat outdoors unless in military uniform, kilt or not. I don't know if that is reflective of his Royal status, though I know in decades past I certainly saw pictures of the Royals wearing Fedoras, top hats, etc. Off hand, I can't say if Prince Charles' forebearers wore bonnets when outdoors in Highland wear or not. Certainly there are some gentried Highlanders wearing a Balmoral without feathers in these pictures.
Prince Charles wears panamas in the tropics; top hats to the races; bowlers to the proper events; tweed caps in the country. I have not seen him wear a bonnet when wearing the kilt, but who is to say he doesn't wear one in private, away from the cameras?

Their late Majesties George V and George VI most certainly did wear bonnets when wearing the kilt. I believe there is ample evidence of this fact in various photos on the Forum.