For returns at Zumiez, it is generally required to have a receipt or proof of purchase. The receipt serves as confirmation of the transaction and allows the store to process the return efficiently. In the absence of a receipt, Zumiez may offer store credit at their discretion, but this can vary depending on the specific circumstances surrounding the return. It is recommended to retain any receipts or confirmation emails related to your purchases, as they simplify the return process. Additionally, customers are encouraged to refer to the current return policy information on the Zumiez website, as the guidelines may be updated over time. This will help ensure that you have the most accurate and relevant information for your situation.