Fabric: 3.4 oz., 55% cotton, 45% polyester broadcloth true non-iron performance straight from the dryer stain release finish Features: 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