If you are unhappy with your order for any reason, we offer exchanges for store credit within 5 days of receiving your initial order on all unworn items, excluding sales and sale items.

To process an exchange, please send an email to We will email you a shipping label equipped with tracking to send the return and assist you in choosing a replacement item if you need it. We will also provide you with tracking on your replacement item.

Please return your item via the label provided within 3 business days.

We do not accept returns at this time unless the item is faulty. All of our products are quality controlled, however, in the unlikely event of a faulty item, please contact us as soon as possible at so we can email you a shipping label equipped with tracking. Once your item is returned to us, has been inspected and agreed to be faulty,your original method of payment will be credited with a refund. Please allow 7 business days for your refund to be processed. You will be notified by email once finalized.

Regarding both Returns + Exchanges, please note the following: 

For incorrect choice of purchase or change of mind there will be no refund, but we can offer store credit 

We will provide a refund within 7 days of purchase only if the item is faulty 

If you wish to exchange an item, you must initiate an exchange within 5 days of purchase and return your item via the label provided within 3 business days 

All item/s sent back for store credit are to be in new, unwashed and unused condition with all tags attached 

Sienna Swim will not be responsible for or refund any items that are not returned in new condition 

Sienna Swim will not accept your exchange if we consider the item/s used 

There will be no exchange on sale items. All purchases on sale items are final