Proton boots

From Teletraan I: The Transformers Wiki

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

[edit] Fiction

[edit] Original 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.