[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. 
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.