Tommy Bahama Mens Summer / Light Weight Island Shirt 100% Authentic Tommy Bahama merchandise, satisfaction guaranteed! Very high quality fabric: 70% Silk, 30% Tencel Lyocell; Machine washable. Fully button down front closure for easy on and off; A left chest pocket for holding small things. Embroidered Tommy Bahama logo on the inside of the center back neck. Great shirt you will love and wear for a long time!