you can read the full text on the page 'TERM AND CONDITIONS'

The Customer has the right to withdraw from the Distance Sale Agreement for a period of 14 days, without giving any reasons and without incurring any costs (except the cost of delivery to return the product to the Seller)
The Customer informs the Seller about his decision to withdraw from the Agreement before the expiry of the withdrawal period. For this purpose, the consumer may use the model withdrawal form from the Sales Agreement included in the appendix to these Regulations
 The consumer is obliged to immediately, no later than within 14 calendar days from the date on which he withdrew from the contract, return the Product to the Seller or hand it over to a person authorized by the Seller for collection, unless the Seller has offered to collect the Product himself. 
The Seller shall return all payments received from the Customer, including the costs of delivering the Product to the Customer, without undue delay, and in any case not later than 14 days from the date on which the return Product arrives at Sellers's warehouse and it has been checked. The Customer will be notified with e-mail confirmation as the refund is done.
In the event of withdrawal from the contract, the Seller reserves that the Customer bears all direct costs of returning the Product (in particular the cost of returning the Product to the Seller's headquarters). The customer is responsible for the product during the delivery of the return.

Customized products are non-returnable. The buyer is obliged to carefully check the details of product (size, materials, and  everything else) and of  customization before placing the order.