You can return an item purchased at within 90 calendar days of the date of delivery and get a refund.  

  • Products can be returned if they have not been worn, have retained their original visual appeal and have the original packaging and label intact. 
  • A new item can’t be exchanged for a different size or color. If you return the product, we will refund you.
  • Underpants/boxers are non-returnable and non-exchangeable for hygiene reasons.
  • Thermowave stands behind all of its products. Defective products are repaired or replaced with the same or similar product up to 2 years after receipt. If you bought the products outside of, you should contact the direct seller from whom you bought the product and provide the proof of purchase.
  • Customers return the items at their own expense and order the transport.
  • If the customer explicitly chooses a particular delivery method (e.g. express delivery by UPS Express) even though a standard delivery method is offered at a lower delivery cost, only the difference between standard and express delivery will be refunded upon return of the entire order.
  • Refunds are made within 14 calendar days of the return of the item.



When you want to return items, please contact us by email at

We will send you all the information you need about how to prepare the package, and we will send a special label that you will need to stick on the shipping box.


Once the items have been sent, please inform us at and provide the tracking code. This will allow us to track the item and reduce the risk that it is lost. If sending by mail, we strongly recommend that you only send by registered mail. The seller is not responsible for any loss of the items being returned. If you do not receive confirmation of your refund within 10 business days, please contact us.

If you have any further questions, please do not hesitate to contact us by email