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. Peached performance jersey fabrication - with overlap seams and curved hemline. 4-button placket. UA logo - on the left sleeve. Self collar. Body - 4.9 oz. 94% Polyester, 6% Elastane.