Celebrate Yuengling's Seasonal Bock Beer with the Bock Tee. The Bock tee is black in color and features a retro Yuengling font on the front chest, and the artwork on the back is adopted from original Yuengling Bock signage from the 1940's. Get yours today, because just like Yuengling Bock Beer, the Bock gear will only be available for a limited time. This shirt is 100% Cotton made by Gildan.