It's easy and available in your account directly:
Just log in and visit Returns & Exchanges in your account.
Step by step directions:
- Select the down arrow next to the Request you would like to cancel.
- From the drop-down menu, select the CANCEL option
- Press OK in the pop up asking if you are sure you would like to cancel.
- Voila! Your exchange/return is canceled!
In the case of exchange, you will not be able to cancel it if you have already used the provided voucher code. As the replacement order has been shipped, you will have to return the original product or incur an additional charge for the replacement order.