Proton boots

Proton boots are footwear from the cartoon portion of the Generation 1 continuity family.

Proton boots are an article of Transformer clothing. Their purpose is obscure.

Fiction

Generation 1 cartoon continuity

The Transformers cartoon

Brawn sarcastically announced that the prospect of fighting Bumblebee caused him to quake in his proton boots. Microbots

Since Brawn was not wearing boots at the time, this statement was probably metaphorical.