Calcutta Mens Performance Shirt - Mossy Oak Cloudbank Stay protected and comfortable in the sun with Calcuttas Performance Long Sleeve Shirts. This shirt is constructed of 100 polyester and provides protection from UV rays. It features built-in under arm and side vented mesh panels to keep you cool on hotter days. Calcuttas performance shirts are also moisture wicking, keeping you comfortable all day long. Features 100 Polyester Built-in side vented mesh panels Moisture wicking Sizes Available M