The ultimate summer shirt. Made with our lightweight, sweat-wicking performance fabric, it has VentTEK™ mesh panels to cool you down and keep you looking polished in the heat. Product Features : AriatTEK® is designed for optimal comfort in any weather, with built-in performance features that adapt to changing conditionsGreater Arm Mobility™ helps extend arm and shoulder range-of-motion so you can move freelyMoisture Movement Technology™ helps wick moisture away from the skin to keep you dry and comfortableSun Protection Fabric™ helps block harmful UV rays, keeping you covered and comfortable during long days outdoorsVentTEK™ mesh panels provide ventilation in key areas to help keep you cool and comfortable, Zippered chest pockets provide secure storage for small essentials Women's VentTEK Shirt in Pirouette Polyester, Size: Large by Ariat