The best selling Grayers double cloth shirt is the first and last shirt you’ll own. Our double cloths are a little different than what’s already out there. Why? We design all our own plaids. We weave our own fabrics. We have the best fit. And our shirts won’t break the bank. An unbeatable formula. The Derby charcoal gray twill double cloth shirt is crafted in a special twill weave. It has an extra soft hand, and is engineered with heather yarns into a double layer of lightweight fabric which is woven as one. It’s finished with two chest patch pockets and fisheye buttons. 100% Cotton. IMPORTED.