Why do some clothes shrink when washed in hot water and why can’t they stretch back to their normal size?

Question

Why do some clothes shrink when washed in hot water and why can’t they stretch back to their normal size?

In: 845

Answer 1

Protein in the fibers condense. That’s why wool can shrivel to half their size. Many items are pre shrunk like jeans. But you can still buy shrink to fit Levi’s and boiled wool is a thing.