Ralph Lauren Purple Label sport shirt in lightweight cotton poplin that boasts a super-silky feel; Classic Fit: Cut fuller through the chest, waist, and sleeve, with a lower armhole.; Size medium has a 32.5” back body length, an 18.5” shoulder, a 46.5” chest, and a 35” sleeve length. Sleeve length is taken from the center back of the neck and changes 1” between sizes.; Button-down collar; Button placket; Long sleeves with buttoned barrel cuffs; Split back yoke with a box pleat ensures a comfortable fit and a greater range of motion; Signature embroidered Pony at the right hem; Cotton; Unlined; Machine wash; Imported