Inspired by Ralph Lauren's iconic Polo shirt, this short-sleeve sweater is finely knit in Italy using luxurious mulberry silk and soft cotton. It is finished with genuine mother-of-pearl buttons at the placket. Ralph Lauren Purple Label sweater finished with rib-knit trim Size medium has a 25.5" body length (front and back), a 17" shoulder, and a 38" chest. Rib-knit Polo collar. Three-button placket with genuine mother-of-pearl buttons. Short sleeves with rib-knit armbands. Classic fit Rib-knit hem. Mulberry silk/cotton Hand wash or dry clean Made in Italy Model is 6'1" (185 cm) and wears a size medium.