I've had the opposite problem with several of my t-shirts stretching/expanding g...

		prmoustache 14 days ago \| parent \| context \| favorite \| on: Why some clothes shrink in the wash and how to uns... I've had the opposite problem with several of my t-shirts stretching/expanding going from M to something equivalent to XL size and I fail to understand why. I am not using a dryer, only a washing machine. Can UV do that?

I see the same. Usually with synthetic fibers.