Ralph Lauren Purple Label casual button-down shirt in lightweight superfine cotton twill that was custom-developed with a storied Italian mill; Size medium has a 31.5" body length (front and back), an 18.75" shoulder, a 43" chest, and a 35.5" sleeve length. Sleeve length is taken from the center back of the neck and changes 1" between sizes.; Classic wide-spread collar. 3” point length and 5” collar spread. Signature collar stays.; Features a brushed texture for superior softness; Spread collar; Signature collar stays; Button placket; Genuine mother-of-pearl buttons; Long sleeves with buttoned barrel cuffs; Pleated back yoke ensures smooth, contoured shoulders; Shirttail hem; Cotton; Unlined; Machine wash; Made in Italy