Cliff Keen Kentucky KHSAA Dye Sublimated Men's Volleyball & Swimming Referee Shirt. KHSAA logo dye sublimated on the chest and US Flag on the left sleeve. MXS ultra mesh fabric offers moisture management and great comfort. May be the most comfortable volleyball polo shirt available. Features a 3 button placket with color matching buttons. Ribbed collar - No Pocket. Extended tail with side vents. Used for volleyball and/or swimming officials.