White border US Flag dye sublimated on the left sleeve. Ultra Tech Bi-Flex® high performance polyester interlock fabric. Honig's has improved the Ultra Tech shirts with sharper stripes and better wicking and drying properties. The Bi-Flex® shirt is so lightweight and the cut is so comfortable. A great choice in the heat because of it's high wicking and fast drying properties. Exceptionally soft and breathable, along with having top notch moisture management characteristics that you would expect from a high end shirt. Rib knit collar and self fabric cuffs. Made In The USA.