John occasionally asks to wear my helmet as I mostly leave it sitting on the dining room table. He'll walk around hearing himself talk while raising and lowering the face-shield. He finds it amusing. Here he is taunting Grace with his "greetings Earthling" look.
I reckon the other day he didn't feel quite safe enough with only a helmet so he wanted to go in full gear. He actually tried my boots too but found he wasn't getting anywhere.
I found this amusing;) He'd trip if he took anything more than a baby step - good thing he had gear on.