The deformed sweater will definitely be uncomfortable to wear, and it will become unsightly. After wearing it, it will be loose and ugly, which will affect the beauty of the whole person. If you want to restore the deformed sweater to its original state, you can soak it in warm water of 30-50 degrees, or steam it in a pot for 20 minutes, let it slowly recover its shape, and then put it in cold water to set it. Finally, when drying, you can't wring it out, let it dry flat. This is a very effective method for sweater deformation. You can try.