And, like a kilt, it depends on if the cassock is actually wool or some other, lighter material. Also if it is half-lining, full-lining, or no lining at all. You could also "loose the shirt" by getting a cassock rabat from ALMY (think of it as a "dog collar dickey"). Other than that, I say nothing more about what is worn under my cassock...must preserve the mystique, eh?

We now return you to your previously scheduled thread...