Tattersall is a delightful, polysyllabic name for a simple and versatile pattern somewhat reminiscent of junior high graph paper. But this isn't Geometry 101, and you're going to be doing a lot more than drawing parallelograms in a shirt this sharp. So say goodbye to the protractor and compass, say hello to a striking new look. Once you've aced math, it's time to graduate to an Aristograph.