FXD Work Shirts Are Made From Super-Comfortable, Super Flexible 5.4 Ounce (185 Gsm) 360-Degree Stretch Cotton Twill. The SSH.1 360-Degree Stretch Work Shirt Is A Tailored-Fit Short Sleeve Shirt With Dual Button Down Chest Pockets, A Drop Tail And Triple Needle Seams. 360 Degree stretch work shirt Tailored fit Drop tail back Stress point bar tacks Triple needle seams Dual utility pockets Chambray trim lining Materials 185gsm 'MVE-180' stretch cotton for superior movement & breath-ability