Tommy Bahama long-sleeve sun protection shirt. Style is called "Relaxed Long-Sleeve T-Shirt" and color is called "Blue Sapphire." Women's size Small, relaxed fit so it can be layered as a cover-up or rashguard. Great for swimming, hiking, athleisure, etc. Measurement across the chest laid flat pit-to-pit is 19.5 inches. High-quality details like tulip hem, flat seams, thumb holes. Fabric is a lightweight nylon-spandex blend. NWT, stored with other clothes but never tried on.