If you'd like to include an additional size and a prepaid empty return envelope with your order, that's no problem! We're always here to help you get the right size.
Here's how to do it: Go ahead and order the size that you think will fit best. Then right after you've completed your purchase, hit reply on your order confirmation email and send us a message letting us know which additional size you'd like to try. We'll take care of the rest! Our fulfillment team moves quickly, and most new orders ship same-day, so the sooner you email us the better. If you need any more assistance, please don't hesitate to reach out. We're always happy to help!
(Please note: We can only offer this service to customers in the USA.)