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

Soak them in hot water and rub hair conditioner into the article of clothing, set sit for 5 minutes, stretch it back out and then rewash in cold. Hang and air dry