It really is selfexplanitory, but here's a video for those who wanted it; which apparently is everyone. This isn't a legit howto, this is really just meant to show you how easy it is to create and make something of your own.
MERCH
► Helmet: http://bit.ly/1WTKu49
► Shirts: http://bit.ly/1QqyE17
► Gear: http://bit.ly/1Sg76wM