This is an officially licensed Aeon merchandise - a one-sided black t-shirt with the 'God Ends Here' print. It's printed on a standard garment. It's an item from Metal Blade Records, item #7764.

This Aeon t-shirt is a great piece to wear for casual outings or to show your love for the band. To wear it, simply put it on like any other t-shirt. When it comes to washing, use a gentle cycle with cold water and mild detergent to keep the print looking good. Avoid using bleach or harsh chemicals. Hang it to dry instead of using a dryer to prevent shrinking and damage to the fabric. Store it folded in a drawer or on a shelf to keep it in good condition.