Attributes . Convertible Collar; Pre-Cured, Soil-Release Finish; Heavy-Duty in Collar, Epaulets and Pocket Flaps; Pleated Pockets, Scalloped Flaps with Hook and Loop Closure; Added Length to Sides to Help Keep Shirt Tucked; Designed to Accommodate Body Armor; Mechanical Stretch for Increased Fit and Comfort; Aggressive styling with Performance; Stretch Poplin, Twill Fabrics and Silicone Permanent Creases; Easy to Maintain . Names