You can easily request a return via your account by going to your order. When you click on "View order details" you will see "Register return" listed above your order overview.
If you do not have an account yet, you can also register your return by using our contact form or by giving us a call.
Want to return a product outside the EU? In that case, please open this article: I want to return a product outside the EU
If you use our contact form to register your return we will send you your return number and the correct details. Print the return form and add it to your return. Write the return number on the form and add it as well.
You can find the return form here.