Boston Marathon Shirt - 26.2 Men's UPF Short Sleeve Running 4.1-ounce, 100% Microfiber Includes PURE-tech moisture-wicking technology; Up to UPF 50+ protection Unisex cut; Sizes may run smaller for some men Graphics printed with water-based inks using the dye sublimation printing process; Images will never crack, fade or peel, and help protect the environment Manufactured in Colombia; Printed in the USA