Return Policy accepts returns received within 30 days from date of receipt on items that are unused, unworn and have their original tags attached. Please allow 7 business days for shipping transit time.

Return by Post

Complete the returns note and enclose it with your product(s). Attach the prepaid returns label to the outside of your parcel. Ensure the product(s) is in a securely wrapped parcel. Take the parcel (with the enclosed returns note) to a Post Office. To find your nearest Post Office go to

If you choose not to send the return using the prepaid label Theory will not be responsible for additional delivery costs incurred. For returns not sent using the prepaid label please send to:

Theory Returns,
1 Marylebone Hight Street,
W1U 4LZ,

It is your responsibility to keep all return receipts to enable a precise proof of the sending date.


If you would like to exchange your item, please return the item you wish to exchange and place a new order on our site.

Return to Theory Retail Store

New and unused merchandise may be exchanged or returned for a refund in the original form of payment at a Theory retail store accompanied by an online invoice within 30 days of receipt.

Items Purchased at Other Locations

Items purchased at retail stores, department stores or any other store selling Theory merchandise may not be returned to

Theory Retail Store Purchases

We will happily accept return or exchange merchandise in its original and unused condition, providing the tags are attached and accompanied by an original receipt within 14 days of purchase at any Theory Retail store. Purchases may only be returned for store credit. All merchandise accompanied by a gift receipt may be exchanged or returned for store credit within 30 days of original purchase date. Gift card sales are final and may not be returned. All sale items, swimwear, intimates, jewelry, third party items and special order items are final sale and may not be returned or exchanged.