BLUE. Thrills Infinity Arianna Button Up Shirt. Perfect for layering over swimwear or your favorite summer tank, this women's shirt features a timeless button-up design, wide short sleeves, and a room fit for all-day comfort. Made with cotton yarn-dyed fabric in a classic custom Oxford pinstripe, it's lightweight, breathable and just what you need to elevate any summer ensemble. Button front. Camp collar. Short sleeve. 100% Cotton. Machine wash. Imported.