Washing less frequently prevents added wear and tear. As long as your hoodie doesn't smell, it's okay to go a bit between washes.
[header] How to wash a zipper hoodie [title] Wash your hoodie every 6-7 wears. [step] Before washing your hoodie, determine if a wash is needed. It's recommended that you wash hoodies after about six or seven wears because as outerwear they don't dirty as quickly.