The EIS Cool Shirt from Equi In Style 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. Machine Wash, hang dry. White, Black, Navy, Peach, Seabreeze (light blue) and Lipstick (pink) Mimosa (pale yellow) and Key West (medium blue) Cardinal (true red) Pistachio (bright green - available this fall).