The EIS Cool Shirt from Equi In Style in Red White and Blue American color combination is made from a revolutionary fabric called IceFil which has a cooling factor built right into the fabric and is proven to cool the body's temperature by 5 degrees. The best thing? The more you move the more it cools making the EIS Riding Shirt perfect for the active rider and is perfect for hot humid weather. Designed with a zip mock collar and a sheer ultra cool mesh that runs from the underarm all the way to the wrist for extra ventilation. SPF 50 sun protection and odor resistant fabric. Machine Wash, hang dry.