Moisture Transport System - wicks sweat away from the body. UPF 30+ - protects your skin from the Sun's harmful rays. Anti-odor technology - prevents the growth of odor causing microbes. 4-Way stretch - allows greater mobility in any direction. Allover heather pattern - with tonal seam down the back. 5-button placket. UA logo - on upper back. Self collar - with collar stand. Body - 5.4 oz. 88% Polyester, 12% Elastane.