Imprinted shirts and sweatshirts are available for purchase during online registration. They are available in 100% cotton or 100% polyester which is a great wicking material, and are perfect for outdoor activity. The shirt features a full front multi-color design. Shirts are available in the following adult sizes: XX-Large, X-Large, Large, Medium, Small and child sizes: Large (14-16), Child-Medium (10-12). Online shirt sales available for a limited time only.