The PWRCOOL Refraction Polo is engineered with DryCELL to keep you dry and comfortable, PWRCOOL Ultralite technology to keep your internal temp cool no matter what the thermometer says, and UPF 40 to keep you protected from the sun. It also features a bold prizmatic stripe and 6 different colors to suit your fancy. FEATURES - 100% polyester - Interlock - Moisture wicking finish - dryCELL Technology - PWRCOOL ULTRALITE Technology - Cat left sleeve