Quintessential Essential. Beau is quintessential Xirena and an essential basic. Made in our classic lightweight woven cotton poplin for a lived-in look and feel, the Beau Shirt has a menswear-inspired shape and is a must-have season after season.. Fabric: Cotton Poplin | 100% Cotton. Care: Machine wash cold, gentle cycle, tumble dry low. Fit: True to size. Model is 5'10" and wears size Small. Made in Los Angeles. Style Number: X5CTP111