Bean Sprout sure lets me know when he's cold.
I would think with all that fluffy fur he'd never get chilly, but yesterday in the garden, he began to shiver. (I was out there weeding, in a pleasantly steamed-up state.)
I brought him indoors and covered him with Cranky's down vest. It made him and his little pal very happy.
Shortly after he stopped shivering, I found his goofy striped sweater in a cold closet, warmed it by sitting on it for a while, and put in on him.
He slept all night in it, too. He thinks the sweater is a hug.