This listing is for a Men's casual button-down shirt, "The Jack" in Navy Slub color and size medium (40 chest size) in gently used condition and as shown in the photos. " With its combination of rugged construction, expert tailoring, and first-class components, The Jack never lets us down. This time around, we built it with a lightweight, beautifully textured organic cotton—a perfect fit for balmy summer days, and handsome enough for a whole season’s worth of social calls. Don’t let the heat keep you from dressing your best; grab The Jack and show that sun who’s boss. 3.5-oz. 100% organic cotton. Garment washed. Signature Jack button down collar. Single rounded chest pocket. Tailored fit and high armhole. Perfect length to tuck or untuck. Double stitched buttons and buttonholes. Natural buttons. Double needle felled construction throughout. No pleats for easy ironing and clean lines. Pre-shrunk. Wash cold and tumble dry low. "