3.4 oz., 55% cotton, 45% polyester broadcloth; true non-iron performance straight from the dryer; stain release finish;fine yarn count shirting with pearlized buttons; patented pucker-free taped seams; specially fused collar, cuffs and placket; split back seam with bias cut back yoke; classic fit for professional appearance; rolled button-down collar; adjustable "Comfort Collar" gives up to an inch stretch at neck; left-chest pocket;