Superior color retention, Superior wicking, Snag and wrinkle resistant, Self-fabric convertible collar for a more casual appearance, Double needle top-stitching for added strength, Inset, double compartment sleeve pocket, Straight hem with side vents, Ful. 5.3 oz. Performance Knit. 100% Polyester. Industrial Wash. . . . . . . .2:2. For Sizing, please refer to our Manufacturer Size Chart Section, click . (Fit Chart: MFC-03)