XiRENA Beau Lightweight Cotton Poplin Basic Button-Down Shirt in White Size small Pit to pit: 21.5” Length of front: 28” Length of back: 31” “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.” Excellent preowned condition. No flaws or signs of wear.