Super soft IslandZone fabric uses 37.5 Technology with active particles to help regulate your body temperature with high performance moisture evaporation. And amazingly, 37.5 Technology is derived from coconut shells and volcanic sand, it uses the very elements of island life to keep you cool. 70% silk, 30% 37.5 Polyester. Machine wash cold on gentle cycle, tumble dry low. Can also be dry cleaned. Front coconut button closure. Rounded chest pocket embroidered with Tommy Bahama Marlin. Straight hem with side vents. Imported.