A slimmer athletic cut that delivers better mobility by eliminating the bulk of extra fabric. Revolutionary coldblack technology reflects IR & heat rays, so even dark color dont get as hot. 30+ UPF protects your skin from the suns harmful rays. Stretch-mesh panels deliver strategic ventilation. Moisture Transport System wicks sweat away from the body. Anti-Odor technology prevents the growth of odor causing microbes. Polyester.