Here are a few tips to keep your boys sweatshirts soft, follow them: 1. Use the correct detergent. 2. Strictly follow the label instructions when washing. 3. Use cold water to clean them. 4. Use the appropriate solution to remove stains. 5. Before you wash the sweatshirts, turn them inside out. 6. Wash similar products together. 7. Rinse it one more time in clean water to get rid of extra soap or dirt. 8. Naturally, dry it. Put it to dry under the roof or shade and allow it to dry by itself in sunlight or by indoor drying rack if you have one at home!