This version of the Polo Ralph Lauren signature button-down is cut from an ultrathin layer of the most lightweight cotton mesh, making it the perfect shirt for transitional days or when you want a comfortable layer underneath sweaters or jackets. Size medium has a 30" front body length, a 30.5" back body length, an 18.5" shoulder, and a 43" chest Button-down collar Buttoned placket Short sleeves Split back yoke with a box pleat ensures a comfortable fit and a greater range of motion Signature embroidered Pony at the left chest 100% cotton Machine washable Imported Model is 6'1" (185 cm) and wears a size medium