You don't need to be Irish to get in the spirit of St. Patrick's Day. Run, sweat, and repeat in this functional and durable performance shirt that will have your ready for your local holiday 5K. This 'Lucky Charm' ECO Women's Long Sleeve Performance Tee Shirt is designed to keep up with your active lifestyle. It is made of 100% Polyester Pintec REPREVE™, a sustainable fabric that is made with 5 plastic bottles. Turning recycled bottles into sustainable fibers with innovative properties such as moisture-wicking, adaptive warming and cooling, breathability and more, Headsweats is proud to be going green and provide you with superior performance apparel without sacrificing quality. Add a little green to your running wardrobe and showcase your festive spirit in this 'Lucky Charm' Women's Long Sleeve Performance Tee Shirt.