When you are on the detail page for Endeavor, you choose your size and your colour style. Then you need to scroll all the way down.

Once at the very bottom of the page, you see the pre-order block. There you click the 'pre-order'-buttom.

Then you are presented a summary of your order (pre-order) and what pre-payment we are going to charge you.

Then your pre-order cart shows up on the right-hand side. This you need to click on.

Then you are presented with another overview of your pre-order where you need to click on the 'CHECKOUT'-button.

Then you need to enter your personal and payment details. At the end you need to click 'Review order'.

Then you are once again presented with your payment details and you need to click 'Paynow'.

Now you are done and shown a confirmation of your pre-order.