3.4 oz., 55% cotton, 45% polyester broadcloth. True non-iron performance straight from the dryer with 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 adjustable "Comfort Collar" gives up to an inch stretch at neck. Left-chest pocket.