3.4 oz. (US), 5.7 oz/Lyd (CA), 55/45 cotton/polyester; Fine yarn count shirting; True Non-iron performance straight from the dryer; Stain release finish; Active Fit; Front and back princess seams with bust darts for a flattering feminine fit; Straight collar; Patented pucker-free taped seams; Fused collar, cuffs, and placket; Pearlized buttons; Split back seam with bias cut back yoke;