How to Shrink a Cotton T Shirt. If the t-shirt you got at an event or the cool shirt you brought home with you are too large, don't despair! Cotton fabric shrinks, so it's easy to bring that shirt down a few sizes.
How to Shrink Clothes in the Wash. Shrinking clothes in the wash can be an effective and cheap method to downsize your clothes. If you own an article of clothing that's a little too large, try shrinking it in the wash as a first step.